40674155645 has 8 divisors (see below), whose sum is σ = 49282861056. Its totient is φ = 32223408336.

The previous prime is 40674155633. The next prime is 40674155693. The reversal of 40674155645 is 54655147604.

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

It is a cyclic number.

It is not a de Polignac number, because 40674155645 - 2¹² = 40674151549 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40674155645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39488957 + ... + 39489986.

It is an arithmetic number, because the mean of its divisors is an integer number (6160357632).

Almost surely, 2^40674155645 is an apocalyptic number.

It is an amenable number.

40674155645 is a deficient number, since it is larger than the sum of its proper divisors (8608705411).

40674155645 is a wasteful number, since it uses less digits than its factorization.

40674155645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78979051.

The product of its (nonzero) digits is 2016000, while the sum is 47.

The spelling of 40674155645 in words is "forty billion, six hundred seventy-four million, one hundred fifty-five thousand, six hundred forty-five".