1625404342 has 24 divisors (see below), whose sum is σ = 2558576160. Its totient is φ = 774362160.

The previous prime is 1625404283. The next prime is 1625404427. The reversal of 1625404342 is 2434045261.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 283884 + ... + 289552.

It is an arithmetic number, because the mean of its divisors is an integer number (106607340).

Almost surely, 2^1625404342 is an apocalyptic number.

1625404342 is a deficient number, since it is larger than the sum of its proper divisors (933171818).

1625404342 is a wasteful number, since it uses less digits than its factorization.

1625404342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5988 (or 5965 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 1625404342 is about 40316.3036748162. The cubic root of 1625404342 is about 1175.7648479142.

The spelling of 1625404342 in words is "one billion, six hundred twenty-five million, four hundred four thousand, three hundred forty-two".