4031693940156 has 48 divisors (see below), whose sum is σ = 9960808989600. Its totient is φ = 1264825681920.

The previous prime is 4031693940137. The next prime is 4031693940167. The reversal of 4031693940156 is 6510493961304.

It is a super-2 number, since 2×4031693940156² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 4031693940099 and 4031693940108.

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, 19060416 + ... + 19270776.

It is an arithmetic number, because the mean of its divisors is an integer number (207516853950).

Almost surely, 2^{4031693940156} is an apocalyptic number.

It is an amenable number.

4031693940156 is an abundant number, since it is smaller than the sum of its proper divisors (5929115049444).

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

4031693940156 is a wasteful number, since it uses less digits than its factorization.

4031693940156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304334 (or 304332 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 51.

The spelling of 4031693940156 in words is "four trillion, thirty-one billion, six hundred ninety-three million, nine hundred forty thousand, one hundred fifty-six".