140172480 has 336 divisors, whose sum is σ = 584850240. Its totient is φ = 30081024.

The previous prime is 140172467. The next prime is 140172499. The reversal of 140172480 is 84271041.

140172480 is a `hidden beast` number, since 14 + 0 + 172 + 480 = 666.

It is a tau number, because it is divible by the number of its divisors (336).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 342516 + ... + 342924.

Almost surely, 2^140172480 is an apocalyptic number.

140172480 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 140172480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (292425120).

140172480 is an abundant number, since it is smaller than the sum of its proper divisors (444677760).

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

140172480 is a wasteful number, since it uses less digits than its factorization.

140172480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456 (or 443 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 140172480 is about 11839.4459329818. The cubic root of 140172480 is about 519.4625610995.

The spelling of 140172480 in words is "one hundred forty million, one hundred seventy-two thousand, four hundred eighty".