40244142112 has 12 divisors (see below), whose sum is σ = 79230654846. Its totient is φ = 20122071040.

The previous prime is 40244142101. The next prime is 40244142119. The reversal of 40244142112 is 21124144204.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 21572559376 + 18671582736 = 146876^2 + 136644^2 .

It is not an unprimeable number, because it can be changed into a prime (40244142119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 628814689 + ... + 628814752.

Almost surely, 2^40244142112 is an apocalyptic number.

It is an amenable number.

40244142112 is a deficient number, since it is larger than the sum of its proper divisors (38986512734).

40244142112 is a wasteful number, since it uses less digits than its factorization.

40244142112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257629451 (or 1257629443 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 40244142112 its reverse (21124144204), we get a palindrome (61368286316).

The spelling of 40244142112 in words is "forty billion, two hundred forty-four million, one hundred forty-two thousand, one hundred twelve".