1625455016340 has 96 divisors (see below), whose sum is σ = 4575315763200. Its totient is φ = 431166105216.

The previous prime is 1625455016261. The next prime is 1625455016347. The reversal of 1625455016340 is 436105545261.

It is a junction number, because it is equal to n+sod(n) for n = 1625455016292 and 1625455016301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1625455016347) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53511837 + ... + 53542203.

It is an arithmetic number, because the mean of its divisors is an integer number (47659539200).

Almost surely, 2^{1625455016340} is an apocalyptic number.

1625455016340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1625455016340 is an abundant number, since it is smaller than the sum of its proper divisors (2949860746860).

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

1625455016340 is a wasteful number, since it uses less digits than its factorization.

1625455016340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35061 (or 35059 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 42.

The spelling of 1625455016340 in words is "one trillion, six hundred twenty-five billion, four hundred fifty-five million, sixteen thousand, three hundred forty".