40347727056637 has 16 divisors (see below), whose sum is σ = 54173171993472. Its totient is φ = 29021342137920.

The previous prime is 40347727056619. The next prime is 40347727056667. The reversal of 40347727056637 is 73665072774304.

It is not a de Polignac number, because 40347727056637 - 2⁴³ = 31551634034429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40347727056617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20153708818 + ... + 20153710819.

It is an arithmetic number, because the mean of its divisors is an integer number (3385823249592).

Almost surely, 2^{40347727056637} is an apocalyptic number.

It is an amenable number.

40347727056637 is a deficient number, since it is larger than the sum of its proper divisors (13825444936835).

40347727056637 is a wasteful number, since it uses less digits than its factorization.

40347727056637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40307419668.

The product of its (nonzero) digits is 124467840, while the sum is 61.

The spelling of 40347727056637 in words is "forty trillion, three hundred forty-seven billion, seven hundred twenty-seven million, fifty-six thousand, six hundred thirty-seven".