420346643024 has 40 divisors (see below), whose sum is σ = 1015382803008. Its totient is φ = 163771418880.

The previous prime is 420346642987. The next prime is 420346643077.

420346643024 is nontrivially palindromic in base 10.

It is a congruent number.

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, 170593997 + ... + 170596460.

Almost surely, 2^420346643024 is an apocalyptic number.

420346643024 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

420346643024 is an abundant number, since it is smaller than the sum of its proper divisors (595036159984).

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

420346643024 is a wasteful number, since it uses less digits than its factorization.

420346643024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341190483 (or 341190477 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 38.

The spelling of 420346643024 in words is "four hundred twenty billion, three hundred forty-six million, six hundred forty-three thousand, twenty-four".