6400036152 has 240 divisors, whose sum is σ = 19168795800. Its totient is φ = 1994544000.

The previous prime is 6400036141. The next prime is 6400036169. The reversal of 6400036152 is 2516300046.

6400036152 is a `hidden beast` number, since 6 + 40 + 0 + 0 + 3 + 615 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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 59 ways as a sum of consecutive naturals, for example, 25498027 + ... + 25498277.

Almost surely, 2^6400036152 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 6400036152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9584397900).

6400036152 is an abundant number, since it is smaller than the sum of its proper divisors (12768759648).

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

6400036152 is a wasteful number, since it uses less digits than its factorization.

6400036152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416 (or 384 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 6400036152 is about 80000.2259496809. The cubic root of 6400036152 is about 1856.6390293285.

Adding to 6400036152 its reverse (2516300046), we get a palindrome (8916336198).

The spelling of 6400036152 in words is "six billion, four hundred million, thirty-six thousand, one hundred fifty-two".