42015980484 has 81 divisors (see below), whose sum is σ = 107449357197. Its totient is φ = 13843394208.

The previous prime is 42015980441. The next prime is 42015980519. The reversal of 42015980484 is 48408951024.

The square root of 42015980484 is 204978.

It is a perfect power (a square), and thus also a powerful number.

42015980484 is a `hidden beast` number, since 42 + 0 + 1 + 59 + 80 + 484 = 666.

42015980484 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2764446084 + 39251534400 = 52578^2 + 198120^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 156193102 + ... + 156193370.

Almost surely, 2^42015980484 is an apocalyptic number.

42015980484 is the 204978-th square number.

It is an amenable number.

42015980484 is an abundant number, since it is smaller than the sum of its proper divisors (65433376713).

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

42015980484 is a wasteful number, since it uses less digits than its factorization.

42015980484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802 (or 401 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The spelling of 42015980484 in words is "forty-two billion, fifteen million, nine hundred eighty thousand, four hundred eighty-four".