1955806838952 has 64 divisors (see below), whose sum is σ = 5183655513600. Its totient is φ = 613853925120.

The previous prime is 1955806838933. The next prime is 1955806839029. The reversal of 1955806838952 is 2598386085591.

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, 35496427 + ... + 35551482.

It is an arithmetic number, because the mean of its divisors is an integer number (80994617400).

Almost surely, 2^{1955806838952} is an apocalyptic number.

1955806838952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1955806838952 is an abundant number, since it is smaller than the sum of its proper divisors (3227848674648).

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

1955806838952 is a wasteful number, since it uses less digits than its factorization.

1955806838952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71047986 (or 71047982 counting only the distinct ones).

The product of its (nonzero) digits is 186624000, while the sum is 69.

The spelling of 1955806838952 in words is "one trillion, nine hundred fifty-five billion, eight hundred six million, eight hundred thirty-eight thousand, nine hundred fifty-two".