16272240 has 40 divisors (see below), whose sum is σ = 50444688. Its totient is φ = 4339200.

The previous prime is 16272229. The next prime is 16272251. The reversal of 16272240 is 4227261.

16272240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (16272229) and next prime (16272251).

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

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 16272240.

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, 33661 + ... + 34140.

Almost surely, 2^16272240 is an apocalyptic number.

16272240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16272240 is an abundant number, since it is smaller than the sum of its proper divisors (34172448).

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

16272240 is a wasteful number, since it uses less digits than its factorization.

16272240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67817 (or 67811 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 16272240 is about 4033.8864634494. The cubic root of 16272240 is about 253.4053504085.

The spelling of 16272240 in words is "sixteen million, two hundred seventy-two thousand, two hundred forty".