90621480000 has 560 divisors, whose sum is σ = 311539225536. Its totient is φ = 23224320000.

The previous prime is 90621479999. The next prime is 90621480017. The reversal of 90621480000 is 8412609.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

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

It is a self number, because there is not a number n which added to its sum of digits gives 90621480000.

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, 555959919 + ... + 555960081.

Almost surely, 2^90621480000 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 90621480000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155769612768).

90621480000 is an abundant number, since it is smaller than the sum of its proper divisors (220917745536).

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

90621480000 is a wasteful number, since it uses less digits than its factorization.

90621480000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352 (or 327 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

Adding to 90621480000 its reverse (8412609), we get a palindrome (90629892609).

The spelling of 90621480000 in words is "ninety billion, six hundred twenty-one million, four hundred eighty thousand".