1040531479 has 12 divisors (see below), whose sum is σ = 1130790672. Its totient is φ = 957028800.

The previous prime is 1040531467. The next prime is 1040531489. The reversal of 1040531479 is 9741350401.

It is a de Polignac number, because none of the positive numbers 2^k-1040531479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040531419) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36534 + ... + 58444.

It is an arithmetic number, because the mean of its divisors is an integer number (94232556).

Almost surely, 2^1040531479 is an apocalyptic number.

1040531479 is a deficient number, since it is larger than the sum of its proper divisors (90259193).

1040531479 is a wasteful number, since it uses less digits than its factorization.

1040531479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22218 (or 22205 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 1040531479 is about 32257.2701727843. The cubic root of 1040531479 is about 1013.3319619119.

The spelling of 1040531479 in words is "one billion, forty million, five hundred thirty-one thousand, four hundred seventy-nine".