13610400432 has 40 divisors (see below), whose sum is σ = 35261570496. Its totient is φ = 4523720256.

The previous prime is 13610400403. The next prime is 13610400439. The reversal of 13610400432 is 23400401631.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (13610400439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 391918 + ... + 425229.

Almost surely, 2^13610400432 is an apocalyptic number.

13610400432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13610400432 is an abundant number, since it is smaller than the sum of its proper divisors (21651170064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13610400432 is a wasteful number, since it uses less digits than its factorization.

13610400432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817505 (or 817499 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The spelling of 13610400432 in words is "thirteen billion, six hundred ten million, four hundred thousand, four hundred thirty-two".