40451674406642 has 8 divisors (see below), whose sum is σ = 60908224582656. Its totient is φ = 20148932879092.

The previous prime is 40451674406641. The next prime is 40451674406699. The reversal of 40451674406642 is 24660447615404.

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

It is not an unprimeable number, because it can be changed into a prime (40451674406641) 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, 38452161458 + ... + 38452162509.

It is an arithmetic number, because the mean of its divisors is an integer number (7613528072832).

Almost surely, 2^{40451674406642} is an apocalyptic number.

40451674406642 is a deficient number, since it is larger than the sum of its proper divisors (20456550176014).

40451674406642 is a wasteful number, since it uses less digits than its factorization.

40451674406642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76904324232.

The product of its (nonzero) digits is 15482880, while the sum is 53.

The spelling of 40451674406642 in words is "forty trillion, four hundred fifty-one billion, six hundred seventy-four million, four hundred six thousand, six hundred forty-two".