40851418043667 has 64 divisors (see below), whose sum is σ = 68159862374400. Its totient is φ = 21143213414400.

The previous prime is 40851418043629. The next prime is 40851418043671. The reversal of 40851418043667 is 76634081415804.

It is not a de Polignac number, because 40851418043667 - 2⁶ = 40851418043603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40851418043167) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 70551742 + ... + 71128412.

It is an arithmetic number, because the mean of its divisors is an integer number (1064997849600).

Almost surely, 2^{40851418043667} is an apocalyptic number.

40851418043667 is a deficient number, since it is larger than the sum of its proper divisors (27308444330733).

40851418043667 is a wasteful number, since it uses less digits than its factorization.

40851418043667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577824.

The product of its (nonzero) digits is 15482880, while the sum is 57.

The spelling of 40851418043667 in words is "forty trillion, eight hundred fifty-one billion, four hundred eighteen million, forty-three thousand, six hundred sixty-seven".