40001074100681 has 4 divisors (see below), whose sum is σ = 40001102037264. Its totient is φ = 40001046164100.

The previous prime is 40001074100677. The next prime is 40001074100693. The reversal of 40001074100681 is 18600147010004.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40001074100681 - 2² = 40001074100677 is a prime.

It is a super-2 number, since 2×40001074100681² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40001074102681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11697455 + ... + 14725236.

It is an arithmetic number, because the mean of its divisors is an integer number (10000275509316).

Almost surely, 2^{40001074100681} is an apocalyptic number.

It is an amenable number.

40001074100681 is a deficient number, since it is larger than the sum of its proper divisors (27936583).

40001074100681 is a wasteful number, since it uses less digits than its factorization.

40001074100681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27936582.

The product of its (nonzero) digits is 5376, while the sum is 32.

The spelling of 40001074100681 in words is "forty trillion, one billion, seventy-four million, one hundred thousand, six hundred eighty-one".