40530235531 has 8 divisors (see below), whose sum is σ = 41475576384. Its totient is φ = 39585021000.

The previous prime is 40530235451. The next prime is 40530235591. The reversal of 40530235531 is 13553203504.

40530235531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40530235531 - 2¹¹ = 40530233483 is a prime.

It is a super-2 number, since 2×40530235531² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40530235493 and 40530235502.

It is not an unprimeable number, because it can be changed into a prime (40530235591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1023360 + ... + 1062226.

It is an arithmetic number, because the mean of its divisors is an integer number (5184447048).

Almost surely, 2^40530235531 is an apocalyptic number.

40530235531 is a deficient number, since it is larger than the sum of its proper divisors (945340853).

40530235531 is a wasteful number, since it uses less digits than its factorization.

40530235531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63161.

The product of its (nonzero) digits is 27000, while the sum is 31.

The spelling of 40530235531 in words is "forty billion, five hundred thirty million, two hundred thirty-five thousand, five hundred thirty-one".