30401691655790 has 64 divisors (see below), whose sum is σ = 67416641905536. Its totient is φ = 9612319721472.

The previous prime is 30401691655789. The next prime is 30401691655831. The reversal of 30401691655790 is 9755619610403.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15230567 + ... + 17110626.

It is an arithmetic number, because the mean of its divisors is an integer number (1053385029774).

Almost surely, 2^{30401691655790} is an apocalyptic number.

30401691655790 is an abundant number, since it is smaller than the sum of its proper divisors (37014950249746).

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

30401691655790 is a wasteful number, since it uses less digits than its factorization.

30401691655790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32342253.

The product of its (nonzero) digits is 6123600, while the sum is 56.

The spelling of 30401691655790 in words is "thirty trillion, four hundred one billion, six hundred ninety-one million, six hundred fifty-five thousand, seven hundred ninety".