90628454448 has 400 divisors, whose sum is σ = 306200431680. Its totient is φ = 25343539200.

The previous prime is 90628454437. The next prime is 90628454491. The reversal of 90628454448 is 84445482609.

It is a happy number.

90628454448 is a `hidden beast` number, since 9 + 0 + 628 + 4 + 5 + 4 + 4 + 4 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 90628454394 and 90628454403.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 215269278 + ... + 215269698.

Almost surely, 2^90628454448 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 90628454448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153100215840).

90628454448 is an abundant number, since it is smaller than the sum of its proper divisors (215571977232).

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

90628454448 is a wasteful number, since it uses less digits than its factorization.

90628454448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898 (or 883 counting only the distinct ones).

The product of its (nonzero) digits is 8847360, while the sum is 54.

The spelling of 90628454448 in words is "ninety billion, six hundred twenty-eight million, four hundred fifty-four thousand, four hundred forty-eight".