425115720 has 48 divisors (see below), whose sum is σ = 1381627260. Its totient is φ = 113364096.

The previous prime is 425115667. The next prime is 425115721. The reversal of 425115720 is 27511524.

425115720 is a `hidden beast` number, since 42 + 51 + 1 + 572 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 418366116 + 6749604 = 20454^2 + 2598^2 .

It is a super-2 number, since 2×425115720² = 361446750782236800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (425115721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 590079 + ... + 590798.

Almost surely, 2^425115720 is an apocalyptic number.

425115720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

425115720 is an abundant number, since it is smaller than the sum of its proper divisors (956511540).

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

425115720 is a wasteful number, since it uses less digits than its factorization.

425115720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180894 (or 1180887 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 425115720 is about 20618.3345593188. The cubic root of 425115720 is about 751.9155301605.

The spelling of 425115720 in words is "four hundred twenty-five million, one hundred fifteen thousand, seven hundred twenty".