420026648 has 32 divisors (see below), whose sum is σ = 793933920. Its totient is φ = 208320000.

The previous prime is 420026641. The next prime is 420026671. The reversal of 420026648 is 846620024.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420026641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 997478 + ... + 997898.

It is an arithmetic number, because the mean of its divisors is an integer number (24810435).

Almost surely, 2^420026648 is an apocalyptic number.

It is an amenable number.

420026648 is a deficient number, since it is larger than the sum of its proper divisors (373907272).

420026648 is a wasteful number, since it uses less digits than its factorization.

420026648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139 (or 1135 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 420026648 is about 20494.5516662356. The cubic root of 420026648 is about 748.9030767576.

The spelling of 420026648 in words is "four hundred twenty million, twenty-six thousand, six hundred forty-eight".