4000734172452 has 48 divisors (see below), whose sum is σ = 9341127434240. Its totient is φ = 1332709604352.

The previous prime is 4000734172447. The next prime is 4000734172481. The reversal of 4000734172452 is 2542714370004.

It is a self number, because there is not a number n which added to its sum of digits gives 4000734172452.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159461853 + ... + 159486939.

Almost surely, 2^{4000734172452} is an apocalyptic number.

It is an amenable number.

4000734172452 is an abundant number, since it is smaller than the sum of its proper divisors (5340393261788).

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

4000734172452 is a wasteful number, since it uses less digits than its factorization.

4000734172452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33220 (or 33218 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 39.

The spelling of 4000734172452 in words is "four trillion, seven hundred thirty-four million, one hundred seventy-two thousand, four hundred fifty-two".