43997662040796 has 48 divisors (see below), whose sum is σ = 114093572544000. Its totient is φ = 14662601081136.

The previous prime is 43997662040723. The next prime is 43997662040821. The reversal of 43997662040796 is 69704026679934.

43997662040796 is a `hidden beast` number, since 4 + 3 + 9 + 9 + 76 + 62 + 0 + 407 + 96 = 666.

It is a super-2 number, since 2×43997662040796² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45158346 + ... + 46122353.

It is an arithmetic number, because the mean of its divisors is an integer number (2376949428000).

Almost surely, 2^{43997662040796} is an apocalyptic number.

It is an amenable number.

43997662040796 is an abundant number, since it is smaller than the sum of its proper divisors (70095910503204).

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

43997662040796 is a wasteful number, since it uses less digits than its factorization.

43997662040796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91285175 (or 91285167 counting only the distinct ones).

The product of its (nonzero) digits is 740710656, while the sum is 72.

The spelling of 43997662040796 in words is "forty-three trillion, nine hundred ninety-seven billion, six hundred sixty-two million, forty thousand, seven hundred ninety-six".