42391065915324 has 144 divisors (see below), whose sum is σ = 126980383129600. Its totient is φ = 11668470888960.

The previous prime is 42391065915307. The next prime is 42391065915329. The reversal of 42391065915324 is 42351956019324.

42391065915324 is a `hidden beast` number, since 4 + 2 + 3 + 9 + 10 + 6 + 5 + 91 + 532 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42391065915329) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10424749 + ... + 13908900.

Almost surely, 2^{42391065915324} is an apocalyptic number.

It is an amenable number.

42391065915324 is an abundant number, since it is smaller than the sum of its proper divisors (84589317214276).

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

42391065915324 is a wasteful number, since it uses less digits than its factorization.

42391065915324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24333920 (or 24333915 counting only the distinct ones).

The product of its (nonzero) digits is 6998400, while the sum is 54.

The spelling of 42391065915324 in words is "forty-two trillion, three hundred ninety-one billion, sixty-five million, nine hundred fifteen thousand, three hundred twenty-four".