40540503831 has 16 divisors (see below), whose sum is σ = 54675468000. Its totient is φ = 26716428288.

The previous prime is 40540503811. The next prime is 40540503853. The reversal of 40540503831 is 13830504504.

It is not a de Polignac number, because 40540503831 - 2²¹ = 40538406679 is a prime.

It is a super-2 number, since 2×40540503831² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40540503792 and 40540503801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40540503811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1145895 + ... + 1180743.

It is an arithmetic number, because the mean of its divisors is an integer number (3417216750).

Almost surely, 2^40540503831 is an apocalyptic number.

40540503831 is a deficient number, since it is larger than the sum of its proper divisors (14134964169).

40540503831 is a wasteful number, since it uses less digits than its factorization.

40540503831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39298.

The product of its (nonzero) digits is 28800, while the sum is 33.

The spelling of 40540503831 in words is "forty billion, five hundred forty million, five hundred three thousand, eight hundred thirty-one".