40121673564677 has 24 divisors (see below), whose sum is σ = 43351289041920. Its totient is φ = 37114435860480.

The previous prime is 40121673564649. The next prime is 40121673564683. The reversal of 40121673564677 is 77646537612104.

It is not a de Polignac number, because 40121673564677 - 2⁶ = 40121673564613 is a prime.

It is a super-3 number, since 3×40121673564677³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40121673564277) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89823548 + ... + 90269114.

It is an arithmetic number, because the mean of its divisors is an integer number (1806303710080).

Almost surely, 2^{40121673564677} is an apocalyptic number.

It is an amenable number.

40121673564677 is a deficient number, since it is larger than the sum of its proper divisors (3229615477243).

40121673564677 is a wasteful number, since it uses less digits than its factorization.

40121673564677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450941 (or 450924 counting only the distinct ones).

The product of its (nonzero) digits is 35562240, while the sum is 59.

The spelling of 40121673564677 in words is "forty trillion, one hundred twenty-one billion, six hundred seventy-three million, five hundred sixty-four thousand, six hundred seventy-seven".