40027045721615 has 8 divisors (see below), whose sum is σ = 48035345178960. Its totient is φ = 32019709701952.

The previous prime is 40027045721609. The next prime is 40027045721623. The reversal of 40027045721615 is 51612754072004.

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 not a de Polignac number, because 40027045721615 - 2⁴ = 40027045721599 is a prime.

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, 240768014 + ... + 240934203.

It is an arithmetic number, because the mean of its divisors is an integer number (6004418147370).

Almost surely, 2^{40027045721615} is an apocalyptic number.

40027045721615 is a deficient number, since it is larger than the sum of its proper divisors (8008299457345).

40027045721615 is a wasteful number, since it uses less digits than its factorization.

40027045721615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481718841.

The product of its (nonzero) digits is 470400, while the sum is 44.

Adding to 40027045721615 its reverse (51612754072004), we get a palindrome (91639799793619).

The spelling of 40027045721615 in words is "forty trillion, twenty-seven billion, forty-five million, seven hundred twenty-one thousand, six hundred fifteen".