90761491040 has 96 divisors (see below), whose sum is σ = 237408724224. Its totient is φ = 32511536640.

The previous prime is 90761490997. The next prime is 90761491043. The reversal of 90761491040 is 4019416709.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90761491043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 266924 + ... + 502763.

It is an arithmetic number, because the mean of its divisors is an integer number (2473007544).

Almost surely, 2^90761491040 is an apocalyptic number.

It is an amenable number.

90761491040 is an abundant number, since it is smaller than the sum of its proper divisors (146647233184).

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

90761491040 is a wasteful number, since it uses less digits than its factorization.

90761491040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769780 (or 769772 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 41.

The spelling of 90761491040 in words is "ninety billion, seven hundred sixty-one million, four hundred ninety-one thousand, forty".