43740000156 has 48 divisors (see below), whose sum is σ = 102367375488. Its totient is φ = 14536142400.

The previous prime is 43740000137. The next prime is 43740000181. The reversal of 43740000156 is 65100004734.

It is a super-2 number, since 2×43740000156² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10263066 + ... + 10267326.

It is an arithmetic number, because the mean of its divisors is an integer number (2132653656).

Almost surely, 2^43740000156 is an apocalyptic number.

It is an amenable number.

43740000156 is an abundant number, since it is smaller than the sum of its proper divisors (58627375332).

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

43740000156 is a wasteful number, since it uses less digits than its factorization.

43740000156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6642 (or 6640 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The spelling of 43740000156 in words is "forty-three billion, seven hundred forty million, one hundred fifty-six", and thus it is an aban number.