140032040 has 32 divisors (see below), whose sum is σ = 315675360. Its totient is φ = 55905600.

The previous prime is 140032021. The next prime is 140032063. The reversal of 140032040 is 40230041.

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, 19775 + ... + 25905.

It is an arithmetic number, because the mean of its divisors is an integer number (9864855).

Almost surely, 2^140032040 is an apocalyptic number.

140032040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140032040 is an abundant number, since it is smaller than the sum of its proper divisors (175643320).

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

140032040 is a wasteful number, since it uses less digits than its factorization.

140032040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6713 (or 6709 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 140032040 is about 11833.5134258596. The cubic root of 140032040 is about 519.2890184759.

Adding to 140032040 its reverse (40230041), we get a palindrome (180262081).

The spelling of 140032040 in words is "one hundred forty million, thirty-two thousand, forty".