8408990700 has 432 divisors, whose sum is σ = 30156986496. Its totient is φ = 2015539200.

The previous prime is 8408990663. The next prime is 8408990717. The reversal of 8408990700 is 70998048.

It is a super-2 number, since 2×8408990700² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 43569804 + ... + 43569996.

Almost surely, 2^8408990700 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 8408990700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15078493248).

8408990700 is an abundant number, since it is smaller than the sum of its proper divisors (21747995796).

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

8408990700 is a wasteful number, since it uses less digits than its factorization.

8408990700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396 (or 377 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 8408990700 is about 91700.5490714205. The cubic root of 8408990700 is about 2033.5177022347.

The spelling of 8408990700 in words is "eight billion, four hundred eight million, nine hundred ninety thousand, seven hundred".