40538500293 has 32 divisors (see below), whose sum is σ = 56865715200. Its totient is φ = 25638218496.

The previous prime is 40538500253. The next prime is 40538500307. The reversal of 40538500293 is 39200583504.

It is not a de Polignac number, because 40538500293 - 2⁶ = 40538500229 is a prime.

It is a super-2 number, since 2×40538500293² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40538500253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13991821 + ... + 13994717.

It is an arithmetic number, because the mean of its divisors is an integer number (1777053600).

Almost surely, 2^40538500293 is an apocalyptic number.

It is an amenable number.

40538500293 is a deficient number, since it is larger than the sum of its proper divisors (16327214907).

40538500293 is a wasteful number, since it uses less digits than its factorization.

40538500293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4521.

The product of its (nonzero) digits is 129600, while the sum is 39.

The spelling of 40538500293 in words is "forty billion, five hundred thirty-eight million, five hundred thousand, two hundred ninety-three".