140304132240 has 80 divisors (see below), whose sum is σ = 435024763776. Its totient is φ = 37407385600.

The previous prime is 140304132211. The next prime is 140304132251. The reversal of 140304132240 is 42231403041.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 140304132240.

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, 1289560 + ... + 1394120.

Almost surely, 2^140304132240 is an apocalyptic number.

140304132240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140304132240 is an abundant number, since it is smaller than the sum of its proper divisors (294720631536).

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

140304132240 is a wasteful number, since it uses less digits than its factorization.

140304132240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110168 (or 110162 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 140304132240 its reverse (42231403041), we get a palindrome (182535535281).

The spelling of 140304132240 in words is "one hundred forty billion, three hundred four million, one hundred thirty-two thousand, two hundred forty".