40407406736667 has 16 divisors (see below), whose sum is σ = 54421265417760. Its totient is φ = 26667185306112.

The previous prime is 40407406736651. The next prime is 40407406736677. The reversal of 40407406736667 is 76663760470404.

It is not a de Polignac number, because 40407406736667 - 2⁴ = 40407406736651 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40407406736667.

It is not an unprimeable number, because it can be changed into a prime (40407406736677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159335518 + ... + 159588915.

It is an arithmetic number, because the mean of its divisors is an integer number (3401329088610).

Almost surely, 2^{40407406736667} is an apocalyptic number.

40407406736667 is a deficient number, since it is larger than the sum of its proper divisors (14013858681093).

40407406736667 is a wasteful number, since it uses less digits than its factorization.

40407406736667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318924862.

The product of its (nonzero) digits is 85349376, while the sum is 60.

The spelling of 40407406736667 in words is "forty trillion, four hundred seven billion, four hundred six million, seven hundred thirty-six thousand, six hundred sixty-seven".