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440411340431 = 1019868949741
BaseRepresentation
bin1100110100010101000…
…11111011111010001111
31120002210000122011111002
412122022203323322033
524203430300343211
6534153331250515
743550542425026
oct6321243737217
91502700564432
10440411340431
1115a8607a1607
1271430a49a3b
13326b89a2bba
141745d2478bd
15b6c958403b
hex668a8fbe8f

440411340431 has 8 divisors (see below), whose sum is σ = 440903139600. Its totient is φ = 439919660160.

The previous prime is 440411340407. The next prime is 440411340443. The reversal of 440411340431 is 134043114044.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-440411340431 is a prime.

It is a super-2 number, since 2×4404113404312 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 440411340394 and 440411340403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440411340401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8829221 + ... + 8878961.

It is an arithmetic number, because the mean of its divisors is an integer number (55112892450).

Almost surely, 2440411340431 is an apocalyptic number.

440411340431 is a deficient number, since it is larger than the sum of its proper divisors (491799169).

440411340431 is a wasteful number, since it uses less digits than its factorization.

440411340431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59449.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 440411340431 its reverse (134043114044), we get a palindrome (574454454475).

The spelling of 440411340431 in words is "four hundred forty billion, four hundred eleven million, three hundred forty thousand, four hundred thirty-one".

Divisors: 1 1019 8689 49741 8854091 50686079 432199549 440411340431