40364343531 has 6 divisors (see below), whose sum is σ = 58304051780. Its totient is φ = 26909562348.

The previous prime is 40364343529. The next prime is 40364343553. The reversal of 40364343531 is 13534346304.

40364343531 is a `hidden beast` number, since 4 + 0 + 3 + 643 + 4 + 3 + 5 + 3 + 1 = 666.

40364343531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40364343531 - 2¹ = 40364343529 is a prime.

It is a super-2 number, since 2×40364343531² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40364343521) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2242463521 + ... + 2242463538.

Almost surely, 2^40364343531 is an apocalyptic number.

40364343531 is a deficient number, since it is larger than the sum of its proper divisors (17939708249).

40364343531 is a wasteful number, since it uses less digits than its factorization.

40364343531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4484927065 (or 4484927062 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 36.

Adding to 40364343531 its reverse (13534346304), we get a palindrome (53898689835).

The spelling of 40364343531 in words is "forty billion, three hundred sixty-four million, three hundred forty-three thousand, five hundred thirty-one".