40457889250 has 32 divisors (see below), whose sum is σ = 76155691248. Its totient is φ = 16093728000.

The previous prime is 40457889247. The next prime is 40457889259. The reversal of 40457889250 is 5298875404.

It can be written as a sum of positive squares in 8 ways, for example, as 10490470929 + 29967418321 = 102423^2 + 173111^2 .

It is not an unprimeable number, because it can be changed into a prime (40457889259) 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, 401799 + ... + 492298.

Almost surely, 2^40457889250 is an apocalyptic number.

40457889250 is a deficient number, since it is larger than the sum of its proper divisors (35697801998).

40457889250 is a wasteful number, since it uses less digits than its factorization.

40457889250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894295 (or 894285 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 52.

The spelling of 40457889250 in words is "forty billion, four hundred fifty-seven million, eight hundred eighty-nine thousand, two hundred fifty".