2040534531 has 32 divisors (see below), whose sum is σ = 3658106880. Its totient is φ = 1097428608.

The previous prime is 2040534521. The next prime is 2040534577. The reversal of 2040534531 is 1354350402.

2040534531 is a `hidden beast` number, since 204 + 0 + 5 + 3 + 453 + 1 = 666.

It is not a de Polignac number, because 2040534531 - 2⁶ = 2040534467 is a prime.

It is a super-2 number, since 2×2040534531² = 8327562344406779922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2040534495 and 2040534504.

It is not an unprimeable number, because it can be changed into a prime (2040534521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 314331 + ... + 320756.

It is an arithmetic number, because the mean of its divisors is an integer number (114315840).

Almost surely, 2^2040534531 is an apocalyptic number.

2040534531 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2040534531 is a deficient number, since it is larger than the sum of its proper divisors (1617572349).

2040534531 is a wasteful number, since it uses less digits than its factorization.

2040534531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635120 (or 635114 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 2040534531 is about 45172.2761326015. The cubic root of 2040534531 is about 1268.3759037946.

Adding to 2040534531 its reverse (1354350402), we get a palindrome (3394884933).

The spelling of 2040534531 in words is "two billion, forty million, five hundred thirty-four thousand, five hundred thirty-one".