40131734251047 has 8 divisors (see below), whose sum is σ = 53509303021440. Its totient is φ = 26754327490680.

The previous prime is 40131734251043. The next prime is 40131734251073. The reversal of 40131734251047 is 74015243713104.

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

It is not a de Polignac number, because 40131734251047 - 2² = 40131734251043 is a prime.

It is a super-2 number, since 2×40131734251047² (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 (40131734251043) 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, 39923329 + ... + 40916202.

It is an arithmetic number, because the mean of its divisors is an integer number (6688662877680).

Almost surely, 2^{40131734251047} is an apocalyptic number.

40131734251047 is a deficient number, since it is larger than the sum of its proper divisors (13377568770393).

40131734251047 is a wasteful number, since it uses less digits than its factorization.

40131734251047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81005013.

The product of its (nonzero) digits is 282240, while the sum is 42.

The spelling of 40131734251047 in words is "forty trillion, one hundred thirty-one billion, seven hundred thirty-four million, two hundred fifty-one thousand, forty-seven".