16007240 has 32 divisors (see below), whose sum is σ = 36288000. Its totient is φ = 6354624.

The previous prime is 16007239. The next prime is 16007263. The reversal of 16007240 is 4270061.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 4121 + ... + 6999.

It is an arithmetic number, because the mean of its divisors is an integer number (1134000).

Almost surely, 2^16007240 is an apocalyptic number.

16007240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16007240 is an abundant number, since it is smaller than the sum of its proper divisors (20280760).

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

16007240 is a wasteful number, since it uses less digits than its factorization.

16007240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3029 (or 3025 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 16007240 is about 4000.9048976450. The cubic root of 16007240 is about 252.0222118659.

The spelling of 16007240 in words is "sixteen million, seven thousand, two hundred forty".