427942152 has 72 divisors (see below), whose sum is σ = 1273979070. Its totient is φ = 129676800.

The previous prime is 427942091. The next prime is 427942189. The reversal of 427942152 is 251249724.

It can be written as a sum of positive squares in only one way, i.e., 421316676 + 6625476 = 20526^2 + 2574^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×427942152² = 366268970916782208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 15849 + ... + 33272.

Almost surely, 2^427942152 is an apocalyptic number.

It is an amenable number.

427942152 is an abundant number, since it is smaller than the sum of its proper divisors (846036918).

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

427942152 is a wasteful number, since it uses less digits than its factorization.

427942152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49155 (or 49137 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 427942152 is about 20686.7627240223. The cubic root of 427942152 is about 753.5782503493.

The spelling of 427942152 in words is "four hundred twenty-seven million, nine hundred forty-two thousand, one hundred fifty-two".