140787878040 has 48 divisors (see below), whose sum is σ = 457560604800. Its totient is φ = 37543434048.

The previous prime is 140787878017. The next prime is 140787878123. The reversal of 140787878040 is 40878787041.

140787878040 is a `hidden beast` number, since 1 + 407 + 87 + 87 + 80 + 4 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 195538360 + ... + 195539079.

It is an arithmetic number, because the mean of its divisors is an integer number (9532512600).

Almost surely, 2^140787878040 is an apocalyptic number.

140787878040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140787878040 is an abundant number, since it is smaller than the sum of its proper divisors (316772726760).

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

140787878040 is a wasteful number, since it uses less digits than its factorization.

140787878040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391077456 (or 391077449 counting only the distinct ones).

The product of its (nonzero) digits is 2809856, while the sum is 54.

Subtracting from 140787878040 its reverse (40878787041), we obtain a palindrome (99909090999).

The spelling of 140787878040 in words is "one hundred forty billion, seven hundred eighty-seven million, eight hundred seventy-eight thousand, forty".