1040611858 has 72 divisors (see below), whose sum is σ = 1906691724. Its totient is φ = 422959680.

The previous prime is 1040611849. The next prime is 1040611867. The reversal of 1040611858 is 8581160401.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1040611849) and next prime (1040611867).

It can be written as a sum of positive squares in 2 ways, for example, as 1033815409 + 6796449 = 32153^2 + 2607^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 13172263 + ... + 13172341.

Almost surely, 2^1040611858 is an apocalyptic number.

1040611858 is a deficient number, since it is larger than the sum of its proper divisors (866079866).

1040611858 is a wasteful number, since it uses less digits than its factorization.

1040611858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248 (or 158 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 34.

The square root of 1040611858 is about 32258.5160539043. The cubic root of 1040611858 is about 1013.3580538704.

The spelling of 1040611858 in words is "one billion, forty million, six hundred eleven thousand, eight hundred fifty-eight".