90434314628 has 48 divisors (see below), whose sum is σ = 188109043584. Its totient is φ = 37235600640.

The previous prime is 90434314483. The next prime is 90434314643. The reversal of 90434314628 is 82641343409.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 542225 + ... + 689112.

It is an arithmetic number, because the mean of its divisors is an integer number (3918938408).

Almost surely, 2^90434314628 is an apocalyptic number.

It is an amenable number.

90434314628 is an abundant number, since it is smaller than the sum of its proper divisors (97674728956).

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

90434314628 is a wasteful number, since it uses less digits than its factorization.

90434314628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231452 (or 1231450 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 44.

The spelling of 90434314628 in words is "ninety billion, four hundred thirty-four million, three hundred fourteen thousand, six hundred twenty-eight".