40245234437217 has 16 divisors (see below), whose sum is σ = 56867667172992. Its totient is φ = 25229304864000.

The previous prime is 40245234437189. The next prime is 40245234437249. The reversal of 40245234437217 is 71273443254204.

It is not a de Polignac number, because 40245234437217 - 2¹⁸ = 40245234175073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40245234437297) 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, 353175909 + ... + 353289842.

It is an arithmetic number, because the mean of its divisors is an integer number (3554229198312).

Almost surely, 2^{40245234437217} is an apocalyptic number.

It is an amenable number.

40245234437217 is a deficient number, since it is larger than the sum of its proper divisors (16622432735775).

40245234437217 is a wasteful number, since it uses less digits than its factorization.

40245234437217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706466888.

The product of its (nonzero) digits is 4515840, while the sum is 48.

The spelling of 40245234437217 in words is "forty trillion, two hundred forty-five billion, two hundred thirty-four million, four hundred thirty-seven thousand, two hundred seventeen".