40323203144 has 32 divisors (see below), whose sum is σ = 86488430400. Its totient is φ = 17265059520.

The previous prime is 40323203117. The next prime is 40323203233. The reversal of 40323203144 is 44130232304.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279914 + ... + 398745.

It is an arithmetic number, because the mean of its divisors is an integer number (2702763450).

Almost surely, 2^40323203144 is an apocalyptic number.

It is an amenable number.

40323203144 is an abundant number, since it is smaller than the sum of its proper divisors (46165227256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40323203144 is a wasteful number, since it uses less digits than its factorization.

40323203144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679733 (or 679729 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 40323203144 its reverse (44130232304), we get a palindrome (84453435448).

The spelling of 40323203144 in words is "forty billion, three hundred twenty-three million, two hundred three thousand, one hundred forty-four".