40140150432431 has 12 divisors (see below), whose sum is σ = 46693751474520. Its totient is φ = 34405764316560.

The previous prime is 40140150432409. The next prime is 40140150432457. The reversal of 40140150432431 is 13423405104104.

It is a de Polignac number, because none of the positive numbers 2^k-40140150432431 is a prime.

It is a super-2 number, since 2×40140150432431² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40140150452431) 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, 33105641 + ... + 34296701.

It is an arithmetic number, because the mean of its divisors is an integer number (3891145956210).

Almost surely, 2^{40140150432431} is an apocalyptic number.

40140150432431 is a deficient number, since it is larger than the sum of its proper divisors (6553601042089).

40140150432431 is a wasteful number, since it uses less digits than its factorization.

40140150432431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1878854 (or 1878847 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 40140150432431 its reverse (13423405104104), we get a palindrome (53563555536535).

The spelling of 40140150432431 in words is "forty trillion, one hundred forty billion, one hundred fifty million, four hundred thirty-two thousand, four hundred thirty-one".