140038480 has 40 divisors (see below), whose sum is σ = 326309472. Its totient is φ = 55891584.

The previous prime is 140038463. The next prime is 140038499. The reversal of 140038480 is 84830041.

140038480 is a nontrivial binomial coefficient, being equal to C(16736, 2).

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×140038480² = 39221551761420800, which contains 22 as substring.

It is a congruent number.

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, 40167 + ... + 43513.

Almost surely, 2^140038480 is an apocalyptic number.

140038480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140038480 is the 16735-th triangular number and also the 8368-th hexagonal number.

140038480 is the 5579-th centered nonagonal number.

It is an amenable number.

140038480 is an abundant number, since it is smaller than the sum of its proper divisors (186270992).

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

140038480 is a wasteful number, since it uses less digits than its factorization.

140038480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3883 (or 3877 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 140038480 is about 11833.7855312660. The cubic root of 140038480 is about 519.2969789636.

The spelling of 140038480 in words is "one hundred forty million, thirty-eight thousand, four hundred eighty".