425975490 has 64 divisors (see below), whose sum is σ = 1175126400. Its totient is φ = 109674432.

The previous prime is 425975467. The next prime is 425975507. The reversal of 425975490 is 94579524.

425975490 is a `hidden beast` number, since 4 + 2 + 597 + 54 + 9 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19372 + ... + 35031.

It is an arithmetic number, because the mean of its divisors is an integer number (18361350).

Almost surely, 2^425975490 is an apocalyptic number.

425975490 is an abundant number, since it is smaller than the sum of its proper divisors (749150910).

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

425975490 is a wasteful number, since it uses less digits than its factorization.

425975490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54448 (or 54442 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The square root of 425975490 is about 20639.1736753195. The cubic root of 425975490 is about 752.4220895560.

The spelling of 425975490 in words is "four hundred twenty-five million, nine hundred seventy-five thousand, four hundred ninety".