1040655531 has 8 divisors (see below), whose sum is σ = 1388093584. Its totient is φ = 693493920.

The previous prime is 1040655521. The next prime is 1040655557. The reversal of 1040655531 is 1355560401.

1040655531 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 not a de Polignac number, because 1040655531 - 2¹¹ = 1040653483 is a prime.

It is a super-2 number, since 2×1040655531² = 2165927868401783922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1040655521) 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, 60160 + ... + 75501.

It is an arithmetic number, because the mean of its divisors is an integer number (173511698).

Almost surely, 2^1040655531 is an apocalyptic number.

1040655531 is a deficient number, since it is larger than the sum of its proper divisors (347438053).

1040655531 is a wasteful number, since it uses less digits than its factorization.

1040655531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138221.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 1040655531 is about 32259.1929688267. The cubic root of 1040655531 is about 1013.3722300710.

The spelling of 1040655531 in words is "one billion, forty million, six hundred fifty-five thousand, five hundred thirty-one".