2466440 has 32 divisors (see below), whose sum is σ = 5595480. Its totient is φ = 978432.

The previous prime is 2466439. The next prime is 2466449. The reversal of 2466440 is 446642.

It can be written as a sum of positive squares in 4 ways, for example, as 1909924 + 556516 = 1382^2 + 746^2 .

It is not an unprimeable number, because it can be changed into a prime (2466449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7724 + ... + 8036.

2^2466440 is an apocalyptic number.

2466440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2466440 is an abundant number, since it is smaller than the sum of its proper divisors (3129040).

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

2466440 is a wasteful number, since it uses less digits than its factorization.

2466440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521 (or 517 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 2466440 is about 1570.4903692796. The cubic root of 2466440 is about 135.1108371881.

The spelling of 2466440 in words is "two million, four hundred sixty-six thousand, four hundred forty".