1040100009 has 8 divisors (see below), whose sum is σ = 1493476992. Its totient is φ = 640061520.

The previous prime is 1040099981. The next prime is 1040100011. The reversal of 1040100009 is 9000010401.

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

It is not a de Polignac number, because 1040100009 - 2⁹ = 1040099497 is a prime.

It is a super-4 number, since 4×1040100009⁴ (a number of 37 digits) contains 4444 as substring.

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, 13334577 + ... + 13334654.

It is an arithmetic number, because the mean of its divisors is an integer number (186684624).

Almost surely, 2^1040100009 is an apocalyptic number.

It is an amenable number.

1040100009 is a deficient number, since it is larger than the sum of its proper divisors (453376983).

1040100009 is a wasteful number, since it uses less digits than its factorization.

1040100009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26669247.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1040100009 is about 32250.5815296407. The cubic root of 1040100009 is about 1013.1918787596.

The spelling of 1040100009 in words is "one billion, forty million, one hundred thousand, nine".