40079214237897 has 24 divisors (see below), whose sum is σ = 57987392734440. Its totient is φ = 26675542333440.

The previous prime is 40079214237893. The next prime is 40079214237941. The reversal of 40079214237897 is 79873241297004.

40079214237897 is a `hidden beast` number, since 40 + 0 + 7 + 9 + 214 + 2 + 378 + 9 + 7 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 391595602176 + 39687618635721 = 625776^2 + 6299811^2 .

It is not a de Polignac number, because 40079214237897 - 2² = 40079214237893 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40079214237893) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 456018397 + ... + 456106277.

It is an arithmetic number, because the mean of its divisors is an integer number (2416141363935).

Almost surely, 2^{40079214237897} is an apocalyptic number.

It is an amenable number.

40079214237897 is a deficient number, since it is larger than the sum of its proper divisors (17908178496543).

40079214237897 is a wasteful number, since it uses less digits than its factorization.

40079214237897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170633 (or 170630 counting only the distinct ones).

The product of its (nonzero) digits is 42674688, while the sum is 63.

The spelling of 40079214237897 in words is "forty trillion, seventy-nine billion, two hundred fourteen million, two hundred thirty-seven thousand, eight hundred ninety-seven".