5640043136 has 64 divisors (see below), whose sum is σ = 13828980480. Its totient is φ = 2231221248.

The previous prime is 5640043133. The next prime is 5640043139. The reversal of 5640043136 is 6313400465.

It is an interprime number because it is at equal distance from previous prime (5640043133) and next prime (5640043139).

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (5640043133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230456 + ... + 253751.

It is an arithmetic number, because the mean of its divisors is an integer number (216077820).

Almost surely, 2^5640043136 is an apocalyptic number.

5640043136 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

5640043136 is an abundant number, since it is smaller than the sum of its proper divisors (8188937344).

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

5640043136 is a wasteful number, since it uses less digits than its factorization.

5640043136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484241 (or 484229 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 5640043136 is about 75100.2206121926. The cubic root of 5640043136 is about 1780.0306286023.

The spelling of 5640043136 in words is "five billion, six hundred forty million, forty-three thousand, one hundred thirty-six".