90432340424 has 64 divisors (see below), whose sum is σ = 180068832000. Its totient is φ = 42485541120.

The previous prime is 90432340421. The next prime is 90432340513. The reversal of 90432340424 is 42404323409.

It is not an unprimeable number, because it can be changed into a prime (90432340421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9299837 + ... + 9309555.

It is an arithmetic number, because the mean of its divisors is an integer number (2813575500).

Almost surely, 2^90432340424 is an apocalyptic number.

It is an amenable number.

90432340424 is a deficient number, since it is larger than the sum of its proper divisors (89636491576).

90432340424 is a wasteful number, since it uses less digits than its factorization.

90432340424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10638 (or 10634 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 35.

The spelling of 90432340424 in words is "ninety billion, four hundred thirty-two million, three hundred forty thousand, four hundred twenty-four".