2440878 has 32 divisors (see below), whose sum is σ = 5501952. Its totient is φ = 715200.

The previous prime is 2440861. The next prime is 2440883. The reversal of 2440878 is 8780442.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a nialpdrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1450 + ... + 2642.

It is an arithmetic number, because the mean of its divisors is an integer number (171936).

2^2440878 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2440878, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2750976).

2440878 is an abundant number, since it is smaller than the sum of its proper divisors (3061074).

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

2440878 is a wasteful number, since it uses less digits than its factorization.

2440878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240.

The product of its (nonzero) digits is 14336, while the sum is 33.

The square root of 2440878 is about 1562.3309508552. The cubic root of 2440878 is about 134.6424558094.

The spelling of 2440878 in words is "two million, four hundred forty thousand, eight hundred seventy-eight".