40003142320 has 40 divisors (see below), whose sum is σ = 93029867136. Its totient is φ = 15997375488.

The previous prime is 40003142303. The next prime is 40003142381. The reversal of 40003142320 is 2324130004.

It is a tau number, because it is divible by the number of its divisors (40).

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, 283329 + ... + 400351.

Almost surely, 2^40003142320 is an apocalyptic number.

40003142320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40003142320 is an abundant number, since it is smaller than the sum of its proper divisors (53026724816).

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

40003142320 is a wasteful number, since it uses less digits than its factorization.

40003142320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121309 (or 121303 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 40003142320 its reverse (2324130004), we get a palindrome (42327272324).

The spelling of 40003142320 in words is "forty billion, three million, one hundred forty-two thousand, three hundred twenty".