1040807408 has 20 divisors (see below), whose sum is σ = 2104241808. Its totient is φ = 497777280.

The previous prime is 1040807407. The next prime is 1040807459. The reversal of 1040807408 is 8047080401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040807401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1413773 + ... + 1414508.

Almost surely, 2^1040807408 is an apocalyptic number.

It is an amenable number.

1040807408 is an abundant number, since it is smaller than the sum of its proper divisors (1063434400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1040807408 is a wasteful number, since it uses less digits than its factorization.

1040807408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2828312 (or 2828306 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 1040807408 is about 32261.5468940967. The cubic root of 1040807408 is about 1013.4215260653.

Adding to 1040807408 its reverse (8047080401), we get a palindrome (9087887809).

The spelling of 1040807408 in words is "one billion, forty million, eight hundred seven thousand, four hundred eight".