90545362490 has 16 divisors (see below), whose sum is σ = 177798166560. Its totient is φ = 32925586320.

The previous prime is 90545362421. The next prime is 90545362547. The reversal of 90545362490 is 9426354509.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411569720 + ... + 411569939.

It is an arithmetic number, because the mean of its divisors is an integer number (11112385410).

Almost surely, 2^90545362490 is an apocalyptic number.

90545362490 is a deficient number, since it is larger than the sum of its proper divisors (87252804070).

90545362490 is a wasteful number, since it uses less digits than its factorization.

90545362490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823139677.

The product of its (nonzero) digits is 1166400, while the sum is 47.

The spelling of 90545362490 in words is "ninety billion, five hundred forty-five million, three hundred sixty-two thousand, four hundred ninety".