90510426 has 32 divisors (see below), whose sum is σ = 203099520. Its totient is φ = 29875392.

The previous prime is 90510383. The next prime is 90510461. The reversal of 90510426 is 62401509.

It is a super-4 number, since 4×90510426⁴ (a number of 33 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 90510426.

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, 2575 + ... + 13698.

It is an arithmetic number, because the mean of its divisors is an integer number (6346860).

Almost surely, 2^90510426 is an apocalyptic number.

90510426 is an abundant number, since it is smaller than the sum of its proper divisors (112589094).

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

90510426 is a wasteful number, since it uses less digits than its factorization.

90510426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16387 (or 16381 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 90510426 is about 9513.6967578329. The cubic root of 90510426 is about 448.9860727191.

The spelling of 90510426 in words is "ninety million, five hundred ten thousand, four hundred twenty-six".