3155405412400 has 60 divisors (see below), whose sum is σ = 7586707670872. Its totient is φ = 1261188817920.

The previous prime is 3155405412389. The next prime is 3155405412409. The reversal of 3155405412400 is 42145045513.

It is not an unprimeable number, because it can be changed into a prime (3155405412409) 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, 2522262 + ... + 3559861.

Almost surely, 2^{3155405412400} is an apocalyptic number.

It is an amenable number.

3155405412400 is an abundant number, since it is smaller than the sum of its proper divisors (4431302258472).

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

3155405412400 is a wasteful number, since it uses less digits than its factorization.

3155405412400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6083438 (or 6083427 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

The spelling of 3155405412400 in words is "three trillion, one hundred fifty-five billion, four hundred five million, four hundred twelve thousand, four hundred".