43402367904 has 192 divisors, whose sum is σ = 139044003840. Its totient is φ = 11586677760.

The previous prime is 43402367887. The next prime is 43402367941. The reversal of 43402367904 is 40976320434.

It is a happy number.

43402367904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 568207 + ... + 640049.

It is an arithmetic number, because the mean of its divisors is an integer number (724187520).

Almost surely, 2^43402367904 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 43402367904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69522001920).

43402367904 is an abundant number, since it is smaller than the sum of its proper divisors (95641635936).

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

43402367904 is a wasteful number, since it uses less digits than its factorization.

43402367904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71923 (or 71915 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 42.

The spelling of 43402367904 in words is "forty-three billion, four hundred two million, three hundred sixty-seven thousand, nine hundred four".