40131754850648 has 8 divisors (see below), whose sum is σ = 75247040344980. Its totient is φ = 20065877425320.

The previous prime is 40131754850567. The next prime is 40131754850653. The reversal of 40131754850648 is 84605845713104.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×40131754850648² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40131754850593 and 40131754850602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2508234678158 + ... + 2508234678173.

Almost surely, 2^{40131754850648} is an apocalyptic number.

It is an amenable number.

40131754850648 is a deficient number, since it is larger than the sum of its proper divisors (35115285494332).

40131754850648 is a wasteful number, since it uses less digits than its factorization.

40131754850648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5016469356337 (or 5016469356333 counting only the distinct ones).

The product of its (nonzero) digits is 12902400, while the sum is 56.

The spelling of 40131754850648 in words is "forty trillion, one hundred thirty-one billion, seven hundred fifty-four million, eight hundred fifty thousand, six hundred forty-eight".