40323331144 has 8 divisors (see below), whose sum is σ = 75606245910. Its totient is φ = 20161665568.

The previous prime is 40323331133. The next prime is 40323331151. The reversal of 40323331144 is 44113332304.

It can be written as a sum of positive squares in only one way, i.e., 25956432100 + 14366899044 = 161110^2 + 119862^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2520208189 + ... + 2520208204.

Almost surely, 2^40323331144 is an apocalyptic number.

It is an amenable number.

40323331144 is a deficient number, since it is larger than the sum of its proper divisors (35282914766).

40323331144 is a wasteful number, since it uses less digits than its factorization.

40323331144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5040416399 (or 5040416395 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 40323331144 its reverse (44113332304), we get a palindrome (84436663448).

The spelling of 40323331144 in words is "forty billion, three hundred twenty-three million, three hundred thirty-one thousand, one hundred forty-four".