2463440 has 80 divisors (see below), whose sum is σ = 6749568. Its totient is φ = 818688.

The previous prime is 2463437. The next prime is 2463443. The reversal of 2463440 is 443642.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2463437) and next prime (2463443).

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2463443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29639 + ... + 29721.

2^2463440 is an apocalyptic number.

2463440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2463440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3374784).

2463440 is an abundant number, since it is smaller than the sum of its proper divisors (4286128).

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

2463440 is a wasteful number, since it uses less digits than its factorization.

2463440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156 (or 150 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 2463440 is about 1569.5349629747. The cubic root of 2463440 is about 135.0560352655.

The spelling of 2463440 in words is "two million, four hundred sixty-three thousand, four hundred forty".