140040287976 has 32 divisors (see below), whose sum is σ = 359562903840. Its totient is φ = 45418471488.

The previous prime is 140040287951. The next prime is 140040287993. The reversal of 140040287976 is 679782040041.

It is a super-2 number, since 2×140040287976² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78850626 + ... + 78852401.

It is an arithmetic number, because the mean of its divisors is an integer number (11236340745).

Almost surely, 2^140040287976 is an apocalyptic number.

It is an amenable number.

140040287976 is an abundant number, since it is smaller than the sum of its proper divisors (219522615864).

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

140040287976 is a wasteful number, since it uses less digits than its factorization.

140040287976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157703073 (or 157703069 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 48.

The spelling of 140040287976 in words is "one hundred forty billion, forty million, two hundred eighty-seven thousand, nine hundred seventy-six".