40097518 has 8 divisors (see below), whose sum is σ = 60248160. Its totient is φ = 20014800.

The previous prime is 40097489. The next prime is 40097527. The reversal of 40097518 is 81579004.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15478 + ... + 17881.

It is an arithmetic number, because the mean of its divisors is an integer number (7531020).

Almost surely, 2^40097518 is an apocalyptic number.

40097518 is a deficient number, since it is larger than the sum of its proper divisors (20150642).

40097518 is a wasteful number, since it uses less digits than its factorization.

40097518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33962.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 40097518 is about 6332.2601020489. The cubic root of 40097518 is about 342.2728861777.

The spelling of 40097518 in words is "forty million, ninety-seven thousand, five hundred eighteen".