90342015028 has 12 divisors (see below), whose sum is σ = 160458206272. Its totient is φ = 44496813240.

The previous prime is 90342015017. The next prime is 90342015041. The reversal of 90342015028 is 82051024309.

It is a junction number, because it is equal to n+sod(n) for n = 90342014984 and 90342015002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168548268 + ... + 168548803.

Almost surely, 2^90342015028 is an apocalyptic number.

It is an amenable number.

90342015028 is a deficient number, since it is larger than the sum of its proper divisors (70116191244).

90342015028 is a wasteful number, since it uses less digits than its factorization.

90342015028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337097142 (or 337097140 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 90342015028 in words is "ninety billion, three hundred forty-two million, fifteen thousand, twenty-eight".