40027575237661 has 8 divisors (see below), whose sum is σ = 43666513200000. Its totient is φ = 36388648523040.

The previous prime is 40027575237647. The next prime is 40027575237673. The reversal of 40027575237661 is 16673257572004.

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

It is not a de Polignac number, because 40027575237661 - 2²⁷ = 40027441019933 is a prime.

It is a super-2 number, since 2×40027575237661² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40027575207661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5767065 + ... + 10644913.

It is an arithmetic number, because the mean of its divisors is an integer number (5458314150000).

Almost surely, 2^{40027575237661} is an apocalyptic number.

It is an amenable number.

40027575237661 is a deficient number, since it is larger than the sum of its proper divisors (3638937962339).

40027575237661 is a wasteful number, since it uses less digits than its factorization.

40027575237661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5623859.

The product of its (nonzero) digits is 14817600, while the sum is 55.

The spelling of 40027575237661 in words is "forty trillion, twenty-seven billion, five hundred seventy-five million, two hundred thirty-seven thousand, six hundred sixty-one".