40244121370 has 16 divisors (see below), whose sum is σ = 72441705960. Its totient is φ = 16097140224.

The previous prime is 40244121329. The next prime is 40244121373. The reversal of 40244121370 is 7312144204.

It can be written as a sum of positive squares in 4 ways, for example, as 17054009281 + 23190112089 = 130591^2 + 152283^2 .

It is not an unprimeable number, because it can be changed into a prime (40244121373) 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, 565714 + ... + 632866.

Almost surely, 2^40244121370 is an apocalyptic number.

40244121370 is a deficient number, since it is larger than the sum of its proper divisors (32197584590).

40244121370 is a wasteful number, since it uses less digits than its factorization.

40244121370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127089.

The product of its (nonzero) digits is 5376, while the sum is 28.

Adding to 40244121370 its reverse (7312144204), we get a palindrome (47556265574).

The spelling of 40244121370 in words is "forty billion, two hundred forty-four million, one hundred twenty-one thousand, three hundred seventy".