2667440 has 20 divisors (see below), whose sum is σ = 6201984. Its totient is φ = 1066944.

The previous prime is 2667439. The next prime is 2667451. The reversal of 2667440 is 447662.

2667440 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16592 + ... + 16751.

2^2667440 is an apocalyptic number.

2667440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2667440 is an abundant number, since it is smaller than the sum of its proper divisors (3534544).

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

2667440 is a wasteful number, since it uses less digits than its factorization.

2667440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33356 (or 33350 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 2667440 is about 1633.2299286996. The cubic root of 2667440 is about 138.6856585592.

The spelling of 2667440 in words is "two million, six hundred sixty-seven thousand, four hundred forty".