40726647573031 has 12 divisors (see below), whose sum is σ = 47376008388072. Its totient is φ = 34908472365648.

The previous prime is 40726647573023. The next prime is 40726647573037. The reversal of 40726647573031 is 13037574662704.

It is not a de Polignac number, because 40726647573031 - 2³ = 40726647573023 is a prime.

It is a super-2 number, since 2×40726647573031² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40726647573037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29355201 + ... + 30711253.

It is an arithmetic number, because the mean of its divisors is an integer number (3948000699006).

Almost surely, 2^{40726647573031} is an apocalyptic number.

40726647573031 is a deficient number, since it is larger than the sum of its proper divisors (6649360815041).

40726647573031 is a wasteful number, since it uses less digits than its factorization.

40726647573031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1968990 (or 1968983 counting only the distinct ones).

The product of its (nonzero) digits is 17781120, while the sum is 55.

The spelling of 40726647573031 in words is "forty trillion, seven hundred twenty-six billion, six hundred forty-seven million, five hundred seventy-three thousand, thirty-one".