2426440 has 16 divisors (see below), whose sum is σ = 5459580. Its totient is φ = 970560.

The previous prime is 2426399. The next prime is 2426441. The reversal of 2426440 is 446242.

It can be written as a sum of positive squares in 2 ways, for example, as 2268036 + 158404 = 1506^2 + 398^2 .

It is a super-2 number, since 2×2426440² = 11775222147200, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2³ + 4⁶ + 2²¹ + 6⁶ + 4⁷ + 4⁹ + 0 .

It is not an unprimeable number, because it can be changed into a prime (2426441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30291 + ... + 30370.

2^2426440 is an apocalyptic number.

2426440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2426440 is an abundant number, since it is smaller than the sum of its proper divisors (3033140).

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

2426440 is a wasteful number, since it uses less digits than its factorization.

2426440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60672 (or 60668 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 2426440 is about 1557.7034377570. The cubic root of 2426440 is about 134.3764568077.

The spelling of 2426440 in words is "two million, four hundred twenty-six thousand, four hundred forty".