1625947944260 has 48 divisors (see below), whose sum is σ = 3447318341376. Its totient is φ = 644129524992.

The previous prime is 1625947944259. The next prime is 1625947944317. The reversal of 1625947944260 is 624497495261.

It is a happy number.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1625947944260.

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, 8103509 + ... + 8301731.

It is an arithmetic number, because the mean of its divisors is an integer number (71819132112).

Almost surely, 2^{1625947944260} is an apocalyptic number.

1625947944260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1625947944260 is an abundant number, since it is smaller than the sum of its proper divisors (1821370397116).

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

1625947944260 is a wasteful number, since it uses less digits than its factorization.

1625947944260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202172 (or 202170 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 59.

The spelling of 1625947944260 in words is "one trillion, six hundred twenty-five billion, nine hundred forty-seven million, nine hundred forty-four thousand, two hundred sixty".