6455099904 has 160 divisors (see below), whose sum is σ = 18990284544. Its totient is φ = 1932103680.

The previous prime is 6455099887. The next prime is 6455099921. The reversal of 6455099904 is 4099905546.

It is an interprime number because it is at equal distance from previous prime (6455099887) and next prime (6455099921).

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, 1400067 + ... + 1404669.

Almost surely, 2^6455099904 is an apocalyptic number.

6455099904 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6455099904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9495142272).

6455099904 is an abundant number, since it is smaller than the sum of its proper divisors (12535184640).

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

6455099904 is a wasteful number, since it uses less digits than its factorization.

6455099904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4718 (or 4702 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 51.

The square root of 6455099904 is about 80343.6363628135. The cubic root of 6455099904 is about 1861.9484634138.

The spelling of 6455099904 in words is "six billion, four hundred fifty-five million, ninety-nine thousand, nine hundred four".