42979508 has 48 divisors (see below), whose sum is σ = 91445760. Its totient is φ = 17404800.

The previous prime is 42979507. The next prime is 42979523. The reversal of 42979508 is 80597924.

It is a happy number.

42979508 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42979507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15293 + ... + 17883.

It is an arithmetic number, because the mean of its divisors is an integer number (1905120).

Almost surely, 2^42979508 is an apocalyptic number.

It is an amenable number.

42979508 is an abundant number, since it is smaller than the sum of its proper divisors (48466252).

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

42979508 is a wasteful number, since it uses less digits than its factorization.

42979508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2648 (or 2646 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 42979508 is about 6555.8758377504. The cubic root of 42979508 is about 350.2841447671.

The spelling of 42979508 in words is "forty-two million, nine hundred seventy-nine thousand, five hundred eight".