425765464 has 8 divisors (see below), whose sum is σ = 798310260. Its totient is φ = 212882728.

The previous prime is 425765453. The next prime is 425765477. The reversal of 425765464 is 464567524.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 425765464.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26610334 + ... + 26610349.

Almost surely, 2^425765464 is an apocalyptic number.

It is an amenable number.

425765464 is a deficient number, since it is larger than the sum of its proper divisors (372544796).

425765464 is a wasteful number, since it uses less digits than its factorization.

425765464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53220689 (or 53220685 counting only the distinct ones).

The product of its digits is 806400, while the sum is 43.

The square root of 425765464 is about 20634.0850051559. The cubic root of 425765464 is about 752.2984093722.

The spelling of 425765464 in words is "four hundred twenty-five million, seven hundred sixty-five thousand, four hundred sixty-four".