140244480 has 160 divisors (see below), whose sum is σ = 498405600. Its totient is φ = 37380096.

The previous prime is 140244479. The next prime is 140244499. The reversal of 140244480 is 84442041.

It is a happy number.

140244480 is a `hidden beast` number, since 140 + 2 + 44 + 480 = 666.

It is a tau number, because it is divible by the number of its divisors (160).

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

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, 68106 + ... + 70134.

It is an arithmetic number, because the mean of its divisors is an integer number (3115035).

Almost surely, 2^140244480 is an apocalyptic number.

140244480 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 140244480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249202800).

140244480 is an abundant number, since it is smaller than the sum of its proper divisors (358161120).

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

140244480 is an equidigital number, since it uses as much as digits as its factorization.

140244480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2061 (or 2039 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

The square root of 140244480 is about 11842.4862254511. The cubic root of 140244480 is about 519.5514870248.

The spelling of 140244480 in words is "one hundred forty million, two hundred forty-four thousand, four hundred eighty".