1040759819 has 18 divisors (see below), whose sum is σ = 1160057892. Its totient is φ = 926010400.

The previous prime is 1040759813. The next prime is 1040759833. The reversal of 1040759819 is 9189570401.

It is not a de Polignac number, because 1040759819 - 2⁴ = 1040759803 is a prime.

It is a super-2 number, since 2×1040759819² = 2166362001689825522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1040759819.

It is not an unprimeable number, because it can be changed into a prime (1040759813) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7596719 + ... + 7596855.

Almost surely, 2^1040759819 is an apocalyptic number.

1040759819 is a deficient number, since it is larger than the sum of its proper divisors (119298073).

1040759819 is an frugal number, since it uses more digits than its factorization.

1040759819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427 (or 219 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 44.

The square root of 1040759819 is about 32260.8093357870. The cubic root of 1040759819 is about 1013.4060802196.

Multiplying 1040759819 by its sum of digits (44), we get a square (45793432036 = 213994²).

The spelling of 1040759819 in words is "one billion, forty million, seven hundred fifty-nine thousand, eight hundred nineteen".