140304402743640 has 64 divisors (see below), whose sum is σ = 421420944607200. Its totient is φ = 37369375276032.

The previous prime is 140304402743633. The next prime is 140304402743657. The reversal of 140304402743640 is 46347204403041.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 140304402743592 and 140304402743601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 705089517 + ... + 705288476.

Almost surely, 2^{140304402743640} is an apocalyptic number.

140304402743640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140304402743640 is an abundant number, since it is smaller than the sum of its proper divisors (281116541863560).

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

140304402743640 is a wasteful number, since it uses less digits than its factorization.

140304402743640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1410378836 (or 1410378832 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 42.

The spelling of 140304402743640 in words is "one hundred forty trillion, three hundred four billion, four hundred two million, seven hundred forty-three thousand, six hundred forty".