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40014115525 = 525213072101
BaseRepresentation
bin100101010001000001…
…101111001011000101
310211021122121200100201
4211101001233023011
51123422103144100
630214321210501
72614405240636
oct452101571305
9124248550321
1040014115525
1115a73a1a26a
127908790a31
133a08c85447
141d1840388d
151092d7436a
hex95106f2c5

40014115525 has 12 divisors (see below), whose sum is σ = 49712754564. Its totient is φ = 31949840000.

The previous prime is 40014115513. The next prime is 40014115529. The reversal of 40014115525 is 52551141004.

It can be written as a sum of positive squares in 6 ways, for example, as 46908801 + 39967206724 = 6849^2 + 199918^2 .

It is not a de Polignac number, because 40014115525 - 233 = 31424180933 is a prime.

It is a super-3 number, since 3×400141155253 (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40014115493 and 40014115502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40014115529) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1523026 + ... + 1549075.

It is an arithmetic number, because the mean of its divisors is an integer number (4142729547).

Almost surely, 240014115525 is an apocalyptic number.

It is an amenable number.

40014115525 is a deficient number, since it is larger than the sum of its proper divisors (9698639039).

40014115525 is a wasteful number, since it uses less digits than its factorization.

40014115525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3072632 (or 3072627 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 28.

Adding to 40014115525 its reverse (52551141004), we get a palindrome (92565256529).

The spelling of 40014115525 in words is "forty billion, fourteen million, one hundred fifteen thousand, five hundred twenty-five".

Divisors: 1 5 25 521 2605 13025 3072101 15360505 76802525 1600564621 8002823105 40014115525