1625882620 has 48 divisors (see below), whose sum is σ = 3450722688. Its totient is φ = 643464000.

The previous prime is 1625882617. The next prime is 1625882623. The reversal of 1625882620 is 262885261.

It is an interprime number because it is at equal distance from previous prime (1625882617) and next prime (1625882623).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1625882623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 817267 + ... + 819253.

It is an arithmetic number, because the mean of its divisors is an integer number (71890056).

Almost surely, 2^1625882620 is an apocalyptic number.

1625882620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1625882620 is an abundant number, since it is smaller than the sum of its proper divisors (1824840068).

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

1625882620 is a wasteful number, since it uses less digits than its factorization.

1625882620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2410 (or 2408 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 1625882620 is about 40322.2348090976. The cubic root of 1625882620 is about 1175.8801602086.

The spelling of 1625882620 in words is "one billion, six hundred twenty-five million, eight hundred eighty-two thousand, six hundred twenty".