40024342144 has 32 divisors (see below), whose sum is σ = 80032479300. Its totient is φ = 19937759232.

The previous prime is 40024342117. The next prime is 40024342153. The reversal of 40024342144 is 44124342004.

It can be written as a sum of positive squares in 2 ways, for example, as 40016001600 + 8340544 = 200040^2 + 2888^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 546777 + ... + 615640.

Almost surely, 2^40024342144 is an apocalyptic number.

It is an amenable number.

40024342144 is a deficient number, since it is larger than the sum of its proper divisors (40008137156).

40024342144 is a wasteful number, since it uses less digits than its factorization.

40024342144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162700 (or 1162688 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 40024342144 its reverse (44124342004), we get a palindrome (84148684148).

The spelling of 40024342144 in words is "forty billion, twenty-four million, three hundred forty-two thousand, one hundred forty-four".