420256652024 has 64 divisors (see below), whose sum is σ = 870961766400. Its totient is φ = 188507030400.

The previous prime is 420256651979. The next prime is 420256652083.

420256652024 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13868009 + ... + 13898279.

It is an arithmetic number, because the mean of its divisors is an integer number (13608777600).

Almost surely, 2^420256652024 is an apocalyptic number.

420256652024 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 420256652024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (435480883200).

420256652024 is an abundant number, since it is smaller than the sum of its proper divisors (450705114376).

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

420256652024 is a wasteful number, since it uses less digits than its factorization.

420256652024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32364 (or 32360 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 38.

The spelling of 420256652024 in words is "four hundred twenty billion, two hundred fifty-six million, six hundred fifty-two thousand, twenty-four".