40347661746730 has 32 divisors (see below), whose sum is σ = 78828236089344. Its totient is φ = 14780294254656.

The previous prime is 40347661746713. The next prime is 40347661746737. The reversal of 40347661746730 is 3764716674304.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (40347661746737) 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, 1221899352 + ... + 1221932371.

It is an arithmetic number, because the mean of its divisors is an integer number (2463382377792).

Almost surely, 2^{40347661746730} is an apocalyptic number.

40347661746730 is a deficient number, since it is larger than the sum of its proper divisors (38480574342614).

40347661746730 is a wasteful number, since it uses less digits than its factorization.

40347661746730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2443831870.

The product of its (nonzero) digits is 42674688, while the sum is 58.

The spelling of 40347661746730 in words is "forty trillion, three hundred forty-seven billion, six hundred sixty-one million, seven hundred forty-six thousand, seven hundred thirty".