1625882426 has 32 divisors (see below), whose sum is σ = 2883158400. Its totient is φ = 687240288.

The previous prime is 1625882413. The next prime is 1625882473. The reversal of 1625882426 is 6242885261.

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, 33845 + ... + 66311.

It is an arithmetic number, because the mean of its divisors is an integer number (90098700).

Almost surely, 2^1625882426 is an apocalyptic number.

1625882426 is a deficient number, since it is larger than the sum of its proper divisors (1257275974).

1625882426 is an equidigital number, since it uses as much as digits as its factorization.

1625882426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32563 (or 32549 counting only the distinct ones).

The product of its digits is 368640, while the sum is 44.

The square root of 1625882426 is about 40322.2324034769. The cubic root of 1625882426 is about 1175.8801134400.

The spelling of 1625882426 in words is "one billion, six hundred twenty-five million, eight hundred eighty-two thousand, four hundred twenty-six".