15400786307700 has 36 divisors (see below), whose sum is σ = 44559608384480. Its totient is φ = 4106876348640.

The previous prime is 15400786307681. The next prime is 15400786307707. The reversal of 15400786307700 is 770368700451.

It is a self number, because there is not a number n which added to its sum of digits gives 15400786307700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15400786307707) 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, 25667976880 + ... + 25667977479.

Almost surely, 2^{15400786307700} is an apocalyptic number.

15400786307700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15400786307700 is an abundant number, since it is smaller than the sum of its proper divisors (29158822076780).

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

15400786307700 is a wasteful number, since it uses less digits than its factorization.

15400786307700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51335954376 (or 51335954369 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 48.

The spelling of 15400786307700 in words is "fifteen trillion, four hundred billion, seven hundred eighty-six million, three hundred seven thousand, seven hundred".