420331376 has 40 divisors (see below), whose sum is σ = 858873600. Its totient is φ = 198728640.

The previous prime is 420331369. The next prime is 420331381. The reversal of 420331376 is 673133024.

It is a happy number.

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, 223721 + ... + 225591.

It is an arithmetic number, because the mean of its divisors is an integer number (21471840).

Almost surely, 2^420331376 is an apocalyptic number.

It is an amenable number.

420331376 is an abundant number, since it is smaller than the sum of its proper divisors (438542224).

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

420331376 is a wasteful number, since it uses less digits than its factorization.

420331376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2637 (or 2631 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 29.

The square root of 420331376 is about 20501.9846844153. The cubic root of 420331376 is about 749.0841419124.

The spelling of 420331376 in words is "four hundred twenty million, three hundred thirty-one thousand, three hundred seventy-six".