1040100089 has 8 divisors (see below), whose sum is σ = 1240368000. Its totient is φ = 852752736.

The previous prime is 1040100053. The next prime is 1040100097. The reversal of 1040100089 is 9800010401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1040100089 - 2¹² = 1040095993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1040100049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3229964 + ... + 3230285.

It is an arithmetic number, because the mean of its divisors is an integer number (155046000).

Almost surely, 2^1040100089 is an apocalyptic number.

It is an amenable number.

1040100089 is a deficient number, since it is larger than the sum of its proper divisors (200267911).

1040100089 is an equidigital number, since it uses as much as digits as its factorization.

1040100089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6460279.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 1040100089 is about 32250.5827699284. The cubic root of 1040100089 is about 1013.1919047364.

The spelling of 1040100089 in words is "one billion, forty million, one hundred thousand, eighty-nine".