140424460 has 48 divisors (see below), whose sum is σ = 323108352. Its totient is φ = 50840000.

The previous prime is 140424419. The next prime is 140424491. The reversal of 140424460 is 64424041.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53949 + ... + 56491.

It is an arithmetic number, because the mean of its divisors is an integer number (6731424).

Almost surely, 2^140424460 is an apocalyptic number.

140424460 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 140424460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161554176).

140424460 is an abundant number, since it is smaller than the sum of its proper divisors (182683892).

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

140424460 is a wasteful number, since it uses less digits than its factorization.

140424460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2814 (or 2812 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 140424460 is about 11850.0827001334. The cubic root of 140424460 is about 519.7736440852.

The spelling of 140424460 in words is "one hundred forty million, four hundred twenty-four thousand, four hundred sixty".