40115772505766 has 8 divisors (see below), whose sum is σ = 60190462360224. Its totient is φ = 20052285052360.

The previous prime is 40115772505717. The next prime is 40115772505769. The reversal of 40115772505766 is 66750527751104.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40115772505769) 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, 2800591310 + ... + 2800605633.

It is an arithmetic number, because the mean of its divisors is an integer number (7523807795028).

Almost surely, 2^{40115772505766} is an apocalyptic number.

40115772505766 is a deficient number, since it is larger than the sum of its proper divisors (20074689854458).

40115772505766 is a wasteful number, since it uses less digits than its factorization.

40115772505766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5601200526.

The product of its (nonzero) digits is 12348000, while the sum is 56.

The spelling of 40115772505766 in words is "forty trillion, one hundred fifteen billion, seven hundred seventy-two million, five hundred five thousand, seven hundred sixty-six".