13765040400390 has 32 divisors (see below), whose sum is σ = 33036756546816. Its totient is φ = 3670604152800.

The previous prime is 13765040400389. The next prime is 13765040400437. The reversal of 13765040400390 is 9300404056731.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3044386 + ... + 6066165.

It is an arithmetic number, because the mean of its divisors is an integer number (1032398642088).

Almost surely, 2^{13765040400390} is an apocalyptic number.

13765040400390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13765040400390 is an abundant number, since it is smaller than the sum of its proper divisors (19271716146426).

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

13765040400390 is a wasteful number, since it uses less digits than its factorization.

13765040400390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9160924.

The product of its (nonzero) digits is 272160, while the sum is 42.

The spelling of 13765040400390 in words is "thirteen trillion, seven hundred sixty-five billion, forty million, four hundred thousand, three hundred ninety".