40268697 has 8 divisors (see below), whose sum is σ = 61361856. Its totient is φ = 23010672.

The previous prime is 40268693. The next prime is 40268713. The reversal of 40268697 is 79686204.

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

It is not a de Polignac number, because 40268697 - 2² = 40268693 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40268693) 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, 958758 + ... + 958799.

It is an arithmetic number, because the mean of its divisors is an integer number (7670232).

Almost surely, 2^40268697 is an apocalyptic number.

It is an amenable number.

40268697 is a deficient number, since it is larger than the sum of its proper divisors (21093159).

40268697 is a wasteful number, since it uses less digits than its factorization.

40268697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1917567.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 40268697 is about 6345.7621291694. The cubic root of 40268697 is about 342.7592567039.

The spelling of 40268697 in words is "forty million, two hundred sixty-eight thousand, six hundred ninety-seven".