40297366667 has 4 divisors (see below), whose sum is σ = 40324251000. Its totient is φ = 40270482336.

The previous prime is 40297366657. The next prime is 40297366691. The reversal of 40297366667 is 76666379204.

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

It is a cyclic number.

It is not a de Polignac number, because 40297366667 - 2²² = 40293172363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40297366657) 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, 13439918 + ... + 13442915.

It is an arithmetic number, because the mean of its divisors is an integer number (10081062750).

Almost surely, 2^40297366667 is an apocalyptic number.

40297366667 is a deficient number, since it is larger than the sum of its proper divisors (26884333).

40297366667 is a wasteful number, since it uses less digits than its factorization.

40297366667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26884332.

The product of its (nonzero) digits is 13716864, while the sum is 56.

The spelling of 40297366667 in words is "forty billion, two hundred ninety-seven million, three hundred sixty-six thousand, six hundred sixty-seven".