40017372122987 has 8 divisors (see below), whose sum is σ = 45734370031872. Its totient is φ = 34300431829800.

The previous prime is 40017372122941. The next prime is 40017372122993. The reversal of 40017372122987 is 78922127371004.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40017372122987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40017372322987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12905189 + ... + 15702822.

It is an arithmetic number, because the mean of its divisors is an integer number (5716796253984).

Almost surely, 2^{40017372122987} is an apocalyptic number.

40017372122987 is a deficient number, since it is larger than the sum of its proper divisors (5716997908885).

40017372122987 is a wasteful number, since it uses less digits than its factorization.

40017372122987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28807849.

The product of its (nonzero) digits is 2370816, while the sum is 53.

The spelling of 40017372122987 in words is "forty trillion, seventeen billion, three hundred seventy-two million, one hundred twenty-two thousand, nine hundred eighty-seven".