43994444802 has 32 divisors (see below), whose sum is σ = 109700434944. Its totient is φ = 11427128400.

The previous prime is 43994444773. The next prime is 43994444807. The reversal of 43994444802 is 20844449934.

It is a happy number.

It is a super-2 number, since 2×43994444802² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (43994444807) 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, 47612574 + ... + 47613497.

It is an arithmetic number, because the mean of its divisors is an integer number (3428138592).

Almost surely, 2^43994444802 is an apocalyptic number.

43994444802 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

43994444802 is an abundant number, since it is smaller than the sum of its proper divisors (65705990142).

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

43994444802 is a wasteful number, since it uses less digits than its factorization.

43994444802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95226094.

The product of its (nonzero) digits is 3981312, while the sum is 51.

The spelling of 43994444802 in words is "forty-three billion, nine hundred ninety-four million, four hundred forty-four thousand, eight hundred two".