43240639002 has 32 divisors (see below), whose sum is σ = 94415583744. Its totient is φ = 13093172400.

The previous prime is 43240638967. The next prime is 43240639007. The reversal of 43240639002 is 20093604234.

It is a super-2 number, since 2×43240639002² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (43240639007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164374 + ... + 336897.

It is an arithmetic number, because the mean of its divisors is an integer number (2950486992).

Almost surely, 2^43240639002 is an apocalyptic number.

43240639002 is an abundant number, since it is smaller than the sum of its proper divisors (51174944742).

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

43240639002 is a wasteful number, since it uses less digits than its factorization.

43240639002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502594.

The product of its (nonzero) digits is 31104, while the sum is 33.

The spelling of 43240639002 in words is "forty-three billion, two hundred forty million, six hundred thirty-nine thousand, two".