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40055082469 = 53755756273
BaseRepresentation
bin100101010011011110…
…000000110111100101
310211101111201000102221
4211103132000313211
51124013100114334
630222343232341
72615413404043
oct452336006745
9124344630387
1040055082469
1115a95060346
12791a4486b1
133a145ca13c
141d1da29393
1510967678b4
hex953780de5

40055082469 has 4 divisors (see below), whose sum is σ = 40810838796. Its totient is φ = 39299326144.

The previous prime is 40055082433. The next prime is 40055082481. The reversal of 40055082469 is 96428055004.

40055082469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18066048100 + 21989034369 = 134410^2 + 148287^2 .

It is a cyclic number.

It is not a de Polignac number, because 40055082469 - 213 = 40055074277 is a prime.

It is a super-2 number, since 2×400550824692 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40055082499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 377878084 + ... + 377878189.

It is an arithmetic number, because the mean of its divisors is an integer number (10202709699).

Almost surely, 240055082469 is an apocalyptic number.

It is an amenable number.

40055082469 is a deficient number, since it is larger than the sum of its proper divisors (755756327).

40055082469 is an equidigital number, since it uses as much as digits as its factorization.

40055082469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755756326.

The product of its (nonzero) digits is 345600, while the sum is 43.

The spelling of 40055082469 in words is "forty billion, fifty-five million, eighty-two thousand, four hundred sixty-nine".

Divisors: 1 53 755756273 40055082469