40137423168328 has 8 divisors (see below), whose sum is σ = 75257668440630. Its totient is φ = 20068711584160.

The previous prime is 40137423168319. The next prime is 40137423168419. The reversal of 40137423168328 is 82386132473104.

It can be written as a sum of positive squares in only one way, i.e., 27764068182244 + 12373354986084 = 5269162^2 + 3517578^2 .

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

It is a super-2 number, since 2×40137423168328² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2508588948013 + ... + 2508588948028.

Almost surely, 2^{40137423168328} is an apocalyptic number.

It is an amenable number.

40137423168328 is a deficient number, since it is larger than the sum of its proper divisors (35120245272302).

40137423168328 is a wasteful number, since it uses less digits than its factorization.

40137423168328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5017177896047 (or 5017177896043 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 52.

The spelling of 40137423168328 in words is "forty trillion, one hundred thirty-seven billion, four hundred twenty-three million, one hundred sixty-eight thousand, three hundred twenty-eight".