90454080 has 112 divisors (see below), whose sum is σ = 292242240. Its totient is φ = 23697408.

The previous prime is 90454027. The next prime is 90454097. The reversal of 90454080 is 8045409.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 55842 + ... + 57438.

Almost surely, 2^90454080 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90454080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146121120).

90454080 is an abundant number, since it is smaller than the sum of its proper divisors (201788160).

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

90454080 is a wasteful number, since it uses less digits than its factorization.

90454080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1676 (or 1666 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 90454080 is about 9510.7349873708. The cubic root of 90454080 is about 448.8928833782.

Adding to 90454080 its reverse (8045409), we get a palindrome (98499489).

The spelling of 90454080 in words is "ninety million, four hundred fifty-four thousand, eighty".