90036043492 has 6 divisors (see below), whose sum is σ = 157563076118. Its totient is φ = 45018021744.

The previous prime is 90036043481. The next prime is 90036043499. The reversal of 90036043492 is 29434063009.

It can be written as a sum of positive squares in only one way, i.e., 76880871076 + 13155172416 = 277274^2 + 114696^2 .

It is not an unprimeable number, because it can be changed into a prime (90036043499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11254505433 + ... + 11254505440.

Almost surely, 2^90036043492 is an apocalyptic number.

It is an amenable number.

90036043492 is a deficient number, since it is larger than the sum of its proper divisors (67527032626).

90036043492 is a wasteful number, since it uses less digits than its factorization.

90036043492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22509010877 (or 22509010875 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 40.

The spelling of 90036043492 in words is "ninety billion, thirty-six million, forty-three thousand, four hundred ninety-two".