90304466388 has 48 divisors (see below), whose sum is σ = 223213273920. Its totient is φ = 28335550464.

The previous prime is 90304466339. The next prime is 90304466423. The reversal of 90304466388 is 88366440309.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 90304466388.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1225581 + ... + 1297172.

It is an arithmetic number, because the mean of its divisors is an integer number (4650276540).

Almost surely, 2^90304466388 is an apocalyptic number.

It is an amenable number.

90304466388 is an abundant number, since it is smaller than the sum of its proper divisors (132908807532).

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

90304466388 is a wasteful number, since it uses less digits than its factorization.

90304466388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2522936 (or 2522934 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 51.

The spelling of 90304466388 in words is "ninety billion, three hundred four million, four hundred sixty-six thousand, three hundred eighty-eight".