40246031161720 has 64 divisors (see below), whose sum is σ = 91830800226240. Its totient is φ = 15871358361600.

The previous prime is 40246031161639. The next prime is 40246031161729. The reversal of 40246031161720 is 2716113064204.

It is a self number, because there is not a number n which added to its sum of digits gives 40246031161720.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40246031161729) 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, 185664600 + ... + 185881240.

It is an arithmetic number, because the mean of its divisors is an integer number (1434856253535).

Almost surely, 2^{40246031161720} is an apocalyptic number.

40246031161720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40246031161720 is an abundant number, since it is smaller than the sum of its proper divisors (51584769064520).

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

40246031161720 is a wasteful number, since it uses less digits than its factorization.

40246031161720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282136 (or 282132 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The spelling of 40246031161720 in words is "forty trillion, two hundred forty-six billion, thirty-one million, one hundred sixty-one thousand, seven hundred twenty".