420042976 has 24 divisors (see below), whose sum is σ = 836256960. Its totient is φ = 207660288.

The previous prime is 420042869. The next prime is 420042977. The reversal of 420042976 is 679240024.

It is a super-2 number, since 2×420042976² = 352872203373873152, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420042977) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 70896 + ... + 76591.

It is an arithmetic number, because the mean of its divisors is an integer number (34844040).

Almost surely, 2^420042976 is an apocalyptic number.

It is an amenable number.

420042976 is a deficient number, since it is larger than the sum of its proper divisors (416213984).

420042976 is a wasteful number, since it uses less digits than its factorization.

420042976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147586 (or 147578 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 420042976 is about 20494.9500121371. The cubic root of 420042976 is about 748.9127808491.

The spelling of 420042976 in words is "four hundred twenty million, forty-two thousand, nine hundred seventy-six".