420124968 has 40 divisors (see below), whose sum is σ = 1176740730. Its totient is φ = 140041440.

The previous prime is 420124951. The next prime is 420124981. The reversal of 420124968 is 869421024.

It can be written as a sum of positive squares in only one way, i.e., 405700164 + 14424804 = 20142^2 + 3798^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 323523 + ... + 324818.

Almost surely, 2^420124968 is an apocalyptic number.

It is an amenable number.

420124968 is an abundant number, since it is smaller than the sum of its proper divisors (756615762).

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

420124968 is a wasteful number, since it uses less digits than its factorization.

420124968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648359 (or 648346 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 420124968 is about 20496.9502121657. The cubic root of 420124968 is about 748.9615067059.

The spelling of 420124968 in words is "four hundred twenty million, one hundred twenty-four thousand, nine hundred sixty-eight".