40130099 has 4 divisors (see below), whose sum is σ = 40244136. Its totient is φ = 40016064.

The previous prime is 40130093. The next prime is 40130107. The reversal of 40130099 is 99003104.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40130099 is a prime.

It is a super-2 number, since 2×40130099² = 3220849691499602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40130093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56489 + ... + 57194.

It is an arithmetic number, because the mean of its divisors is an integer number (10061034).

Almost surely, 2^40130099 is an apocalyptic number.

40130099 is a deficient number, since it is larger than the sum of its proper divisors (114037).

40130099 is a wasteful number, since it uses less digits than its factorization.

40130099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114036.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 40130099 is about 6334.8321998298. The cubic root of 40130099 is about 342.3655650137.

The spelling of 40130099 in words is "forty million, one hundred thirty thousand, ninety-nine".