40245166252772 has 24 divisors (see below), whose sum is σ = 75889342070136. Its totient is φ = 18564239236608.

The previous prime is 40245166252751. The next prime is 40245166252783. The reversal of 40245166252772 is 27725266154204.

It can be written as a sum of positive squares in 4 ways, for example, as 996770611456 + 39248395641316 = 998384^2 + 6264854^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217675043 + ... + 217859850.

It is an arithmetic number, because the mean of its divisors is an integer number (3162055919589).

Almost surely, 2^{40245166252772} is an apocalyptic number.

It is an amenable number.

40245166252772 is a deficient number, since it is larger than the sum of its proper divisors (35644175817364).

40245166252772 is a wasteful number, since it uses less digits than its factorization.

40245166252772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435536687 (or 435536685 counting only the distinct ones).

The product of its (nonzero) digits is 11289600, while the sum is 53.

The spelling of 40245166252772 in words is "forty trillion, two hundred forty-five billion, one hundred sixty-six million, two hundred fifty-two thousand, seven hundred seventy-two".