42615952 has 10 divisors (see below), whose sum is σ = 82568438. Its totient is φ = 21307968.

The previous prime is 42615929. The next prime is 42615961. The reversal of 42615952 is 25951624.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 40755456 + 1860496 = 6384^2 + 1364^2 .

It is a super-2 number, since 2×42615952² = 3632238729732608, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1331733 + ... + 1331764.

Almost surely, 2^42615952 is an apocalyptic number.

It is an amenable number.

42615952 is a deficient number, since it is larger than the sum of its proper divisors (39952486).

42615952 is a wasteful number, since it uses less digits than its factorization.

42615952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2663505 (or 2663499 counting only the distinct ones).

The product of its digits is 21600, while the sum is 34.

The square root of 42615952 is about 6528.0894601713. The cubic root of 42615952 is about 349.2936830601.

The spelling of 42615952 in words is "forty-two million, six hundred fifteen thousand, nine hundred fifty-two".