40131242000655 has 32 divisors (see below), whose sum is σ = 69152170777536. Its totient is φ = 19756075198464.

The previous prime is 40131242000621. The next prime is 40131242000659. The reversal of 40131242000655 is 55600024213104.

It is not a de Polignac number, because 40131242000655 - 2⁷ = 40131242000527 is a prime.

It is a super-2 number, since 2×40131242000655² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40131242000659) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 193449 + ... + 8961021.

It is an arithmetic number, because the mean of its divisors is an integer number (2161005336798).

Almost surely, 2^{40131242000655} is an apocalyptic number.

40131242000655 is a deficient number, since it is larger than the sum of its proper divisors (29020928776881).

40131242000655 is a wasteful number, since it uses less digits than its factorization.

40131242000655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8791067.

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 40131242000655 its reverse (55600024213104), we get a palindrome (95731266213759).

The spelling of 40131242000655 in words is "forty trillion, one hundred thirty-one billion, two hundred forty-two million, six hundred fifty-five", and thus it is an aban number.