40071730663570 has 16 divisors (see below), whose sum is σ = 72129202726680. Its totient is φ = 16028672813824.

The previous prime is 40071730663541. The next prime is 40071730663579. The reversal of 40071730663570 is 7536603717004.

It can be written as a sum of positive squares in 4 ways, for example, as 11488839051361 + 28582891612209 = 3389519^2 + 5346297^2 .

It is not an unprimeable number, because it can be changed into a prime (40071730663579) 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, 8607336 + ... + 12418924.

Almost surely, 2^{40071730663570} is an apocalyptic number.

40071730663570 is a deficient number, since it is larger than the sum of its proper divisors (32057472063110).

40071730663570 is a wasteful number, since it uses less digits than its factorization.

40071730663570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4862909.

The product of its (nonzero) digits is 2222640, while the sum is 49.

The spelling of 40071730663570 in words is "forty trillion, seventy-one billion, seven hundred thirty million, six hundred sixty-three thousand, five hundred seventy".