5649020136 has 256 divisors, whose sum is σ = 16773120000. Its totient is φ = 1758931200.

The previous prime is 5649020081. The next prime is 5649020161. The reversal of 5649020136 is 6310209465.

It is a happy number.

5649020136 is a `hidden beast` number, since 5 + 649 + 0 + 2 + 0 + 1 + 3 + 6 = 666.

It is a super-2 number, since 2×5649020136² = 63822856993866916992, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 5649020136.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 31209966 + ... + 31210146.

It is an arithmetic number, because the mean of its divisors is an integer number (65520000).

Almost surely, 2^5649020136 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 5649020136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8386560000).

5649020136 is an abundant number, since it is smaller than the sum of its proper divisors (11124099864).

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

5649020136 is a wasteful number, since it uses less digits than its factorization.

5649020136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365 (or 355 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 5649020136 is about 75159.9636508693. The cubic root of 5649020136 is about 1780.9745259092.

The spelling of 5649020136 in words is "five billion, six hundred forty-nine million, twenty thousand, one hundred thirty-six".