140743440 has 160 divisors (see below), whose sum is σ = 506039040. Its totient is φ = 35887104.

The previous prime is 140743439. The next prime is 140743451. The reversal of 140743440 is 44347041.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48264 + ... + 51096.

It is an arithmetic number, because the mean of its divisors is an integer number (3162744).

Almost surely, 2^140743440 is an apocalyptic number.

140743440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140743440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253019520).

140743440 is an abundant number, since it is smaller than the sum of its proper divisors (365295600).

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

140743440 is a wasteful number, since it uses less digits than its factorization.

140743440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2878 (or 2866 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 140743440 is about 11863.5340434459. The cubic root of 140743440 is about 520.1669089447.

The spelling of 140743440 in words is "one hundred forty million, seven hundred forty-three thousand, four hundred forty".