90540804448 has 48 divisors (see below), whose sum is σ = 179201344896. Its totient is φ = 45029698560.

The previous prime is 90540804437. The next prime is 90540804461. The reversal of 90540804448 is 84440804509.

It is a junction number, because it is equal to n+sod(n) for n = 90540804398 and 90540804407.

It is a congruent 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, 9793108 + ... + 9802348.

It is an arithmetic number, because the mean of its divisors is an integer number (3733361352).

Almost surely, 2^90540804448 is an apocalyptic number.

It is an amenable number.

90540804448 is a deficient number, since it is larger than the sum of its proper divisors (88660540448).

90540804448 is a wasteful number, since it uses less digits than its factorization.

90540804448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10847 (or 10839 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 46.

The spelling of 90540804448 in words is "ninety billion, five hundred forty million, eight hundred four thousand, four hundred forty-eight".