425652640 has 48 divisors (see below), whose sum is σ = 1149265152. Its totient is φ = 145937664.

The previous prime is 425652589. The next prime is 425652653. The reversal of 425652640 is 46256524.

It is a junction number, because it is equal to n+sod(n) for n = 425652596 and 425652605.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188904 + ... + 191143.

It is an arithmetic number, because the mean of its divisors is an integer number (23943024).

Almost surely, 2^425652640 is an apocalyptic number.

425652640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

425652640 is an abundant number, since it is smaller than the sum of its proper divisors (723612512).

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

425652640 is a wasteful number, since it uses less digits than its factorization.

425652640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380069 (or 380061 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

The square root of 425652640 is about 20631.3509009953. The cubic root of 425652640 is about 752.2319527419.

The spelling of 425652640 in words is "four hundred twenty-five million, six hundred fifty-two thousand, six hundred forty".