40530353531 has 8 divisors (see below), whose sum is σ = 42947501184. Its totient is φ = 38116873600.

The previous prime is 40530353459. The next prime is 40530353537. The reversal of 40530353531 is 13535303504.

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 40530353531 - 2¹⁸ = 40530091387 is a prime.

It is a super-2 number, since 2×40530353531² (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 (40530353537) 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, 894155 + ... + 938388.

It is an arithmetic number, because the mean of its divisors is an integer number (5368437648).

Almost surely, 2^40530353531 is an apocalyptic number.

40530353531 is a deficient number, since it is larger than the sum of its proper divisors (2417147653).

40530353531 is a wasteful number, since it uses less digits than its factorization.

40530353531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1833861.

The product of its (nonzero) digits is 40500, while the sum is 32.

The spelling of 40530353531 in words is "forty billion, five hundred thirty million, three hundred fifty-three thousand, five hundred thirty-one".