40530334531 has 4 divisors (see below), whose sum is σ = 40602325032. Its totient is φ = 40458344032.

The previous prime is 40530334487. The next prime is 40530334561. The reversal of 40530334531 is 13543303504.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40530334531 - 2³⁵ = 6170596163 is a prime.

It is a super-2 number, since 2×40530334531² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40530334493 and 40530334502.

It is not an unprimeable number, because it can be changed into a prime (40530334561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35994406 + ... + 35995531.

It is an arithmetic number, because the mean of its divisors is an integer number (10150581258).

Almost surely, 2^40530334531 is an apocalyptic number.

40530334531 is a deficient number, since it is larger than the sum of its proper divisors (71990501).

40530334531 is an equidigital number, since it uses as much as digits as its factorization.

40530334531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71990500.

The product of its (nonzero) digits is 32400, while the sum is 31.

The spelling of 40530334531 in words is "forty billion, five hundred thirty million, three hundred thirty-four thousand, five hundred thirty-one".