1040351869 has 16 divisors (see below), whose sum is σ = 1073766400. Its totient is φ = 1007645184.

The previous prime is 1040351863. The next prime is 1040351929. The reversal of 1040351869 is 9681530401.

It is a cyclic number.

It is not a de Polignac number, because 1040351869 - 2²¹ = 1038254717 is a prime.

It is a super-2 number, since 2×1040351869² = 2164664022663586322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040351863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 972667 + ... + 973735.

It is an arithmetic number, because the mean of its divisors is an integer number (67110400).

Almost surely, 2^1040351869 is an apocalyptic number.

It is an amenable number.

1040351869 is a deficient number, since it is larger than the sum of its proper divisors (33414531).

1040351869 is a wasteful number, since it uses less digits than its factorization.

1040351869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1372.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 1040351869 is about 32254.4860290782. The cubic root of 1040351869 is about 1013.2736535600.

The spelling of 1040351869 in words is "one billion, forty million, three hundred fifty-one thousand, eight hundred sixty-nine".