140424480 has 144 divisors (see below), whose sum is σ = 547694784. Its totient is φ = 32094720.

The previous prime is 140424419. The next prime is 140424491. The reversal of 140424480 is 84424041.

It is a happy number.

140424480 is a `hidden beast` number, since 140 + 42 + 4 + 480 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3115 + ... + 17045.

It is an arithmetic number, because the mean of its divisors is an integer number (3803436).

Almost surely, 2^140424480 is an apocalyptic number.

140424480 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 140424480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273847392).

140424480 is an abundant number, since it is smaller than the sum of its proper divisors (407270304).

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

140424480 is a wasteful number, since it uses less digits than its factorization.

140424480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13959 (or 13948 counting only the distinct ones).

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

The square root of 140424480 is about 11850.0835440093. The cubic root of 140424480 is about 519.7736687615.

The spelling of 140424480 in words is "one hundred forty million, four hundred twenty-four thousand, four hundred eighty".