90450760620 has 48 divisors (see below), whose sum is σ = 276285961728. Its totient is φ = 21927456960.

The previous prime is 90450760583. The next prime is 90450760627. The reversal of 90450760620 is 2606705409.

It is not an unprimeable number, because it can be changed into a prime (90450760627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68522644 + ... + 68523963.

It is an arithmetic number, because the mean of its divisors is an integer number (5755957536).

Almost surely, 2^90450760620 is an apocalyptic number.

It is an amenable number.

90450760620 is an abundant number, since it is smaller than the sum of its proper divisors (185835201108).

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

90450760620 is a wasteful number, since it uses less digits than its factorization.

90450760620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137046630 (or 137046628 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The spelling of 90450760620 in words is "ninety billion, four hundred fifty million, seven hundred sixty thousand, six hundred twenty".