16240980 has 48 divisors (see below), whose sum is σ = 51972480. Its totient is φ = 3712128.

The previous prime is 16240979. The next prime is 16240997. The reversal of 16240980 is 8904261.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 18915 + ... + 19754.

It is an arithmetic number, because the mean of its divisors is an integer number (1082760).

Almost surely, 2^16240980 is an apocalyptic number.

16240980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16240980 is an abundant number, since it is smaller than the sum of its proper divisors (35731500).

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

16240980 is a wasteful number, since it uses less digits than its factorization.

16240980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38688 (or 38686 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 16240980 is about 4030.0099255461. The cubic root of 16240980 is about 253.2429771641.

The spelling of 16240980 in words is "sixteen million, two hundred forty thousand, nine hundred eighty".