10401561604 has 12 divisors (see below), whose sum is σ = 20803123264. Its totient is φ = 4457812104.

The previous prime is 10401561593. The next prime is 10401561613. The reversal of 10401561604 is 40616510401.

10401561604 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 371484343 = 10401561604 / (1 + 0 + 4 + 0 + 1 + 5 + 6 + 1 + 6 + 0 + 4).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185742144 + ... + 185742199.

Almost surely, 2^10401561604 is an apocalyptic number.

10401561604 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

10401561604 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

10401561604 is a wasteful number, since it uses less digits than its factorization.

10401561604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371484354 (or 371484352 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The spelling of 10401561604 in words is "ten billion, four hundred one million, five hundred sixty-one thousand, six hundred four".