40099097 has 8 divisors (see below), whose sum is σ = 42057600. Its totient is φ = 38158560.

The previous prime is 40099069. The next prime is 40099099. The reversal of 40099097 is 79099004.

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 40099097 - 2¹⁰ = 40098073 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40099097.

It is not an unprimeable number, because it can be changed into a prime (40099099) 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, 197 + ... + 8957.

It is an arithmetic number, because the mean of its divisors is an integer number (5257200).

Almost surely, 2^40099097 is an apocalyptic number.

It is an amenable number.

40099097 is a deficient number, since it is larger than the sum of its proper divisors (1958503).

40099097 is a wasteful number, since it uses less digits than its factorization.

40099097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8983.

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 40099097 is about 6332.3847798440. The cubic root of 40099097 is about 342.2773789063.

The spelling of 40099097 in words is "forty million, ninety-nine thousand, ninety-seven".