90370370452 has 18 divisors (see below), whose sum is σ = 160076553098. Its totient is φ = 44640771792.

The previous prime is 90370370423. The next prime is 90370370509. The reversal of 90370370452 is 25407307309.

It can be written as a sum of positive squares in only one way, i.e., 78330575376 + 12039795076 = 279876^2 + 109726^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1612203 + ... + 1667314.

Almost surely, 2^90370370452 is an apocalyptic number.

It is an amenable number.

90370370452 is a deficient number, since it is larger than the sum of its proper divisors (69706182646).

90370370452 is a wasteful number, since it uses less digits than its factorization.

90370370452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3279687 (or 3279602 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 40.

The spelling of 90370370452 in words is "ninety billion, three hundred seventy million, three hundred seventy thousand, four hundred fifty-two".