1631627626420 has 24 divisors (see below), whose sum is σ = 3737910562848. Its totient is φ = 593319136800.

The previous prime is 1631627626417. The next prime is 1631627626457. The reversal of 1631627626420 is 246267261361.

It is a super-2 number, since 2×1631627626420² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3708244386 + ... + 3708244825.

It is an arithmetic number, because the mean of its divisors is an integer number (155746273452).

Almost surely, 2^{1631627626420} is an apocalyptic number.

1631627626420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1631627626420 is an abundant number, since it is smaller than the sum of its proper divisors (2106282936428).

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

1631627626420 is a wasteful number, since it uses less digits than its factorization.

1631627626420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7416489231 (or 7416489229 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 46.

The spelling of 1631627626420 in words is "one trillion, six hundred thirty-one billion, six hundred twenty-seven million, six hundred twenty-six thousand, four hundred twenty".