140628480 has 80 divisors (see below), whose sum is σ = 449596224. Its totient is φ = 37498880.

The previous prime is 140628473. The next prime is 140628517. The reversal of 140628480 is 84826041.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×140628480² = 39552738774220800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1476 + ... + 16835.

Almost surely, 2^140628480 is an apocalyptic number.

140628480 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 140628480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224798112).

140628480 is an abundant number, since it is smaller than the sum of its proper divisors (308967744).

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

140628480 is an equidigital number, since it uses as much as digits as its factorization.

140628480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18337 (or 18321 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 140628480 is about 11858.6879544071. The cubic root of 140628480 is about 520.0252453227.

The spelling of 140628480 in words is "one hundred forty million, six hundred twenty-eight thousand, four hundred eighty".