42015132 has 24 divisors (see below), whose sum is σ = 108928400. Its totient is φ = 14005008.

The previous prime is 42015121. The next prime is 42015151. The reversal of 42015132 is 23151024.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 194407 + ... + 194622.

Almost surely, 2^42015132 is an apocalyptic number.

It is an amenable number.

42015132 is an abundant number, since it is smaller than the sum of its proper divisors (66913268).

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

42015132 is a wasteful number, since it uses less digits than its factorization.

42015132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389042 (or 389034 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 42015132 is about 6481.9080524179. The cubic root of 42015132 is about 347.6444049010.

Adding to 42015132 its reverse (23151024), we get a palindrome (65166156).

The spelling of 42015132 in words is "forty-two million, fifteen thousand, one hundred thirty-two".