2402140 has 24 divisors (see below), whose sum is σ = 5433120. Its totient is φ = 886848.

The previous prime is 2402107. The next prime is 2402161. The reversal of 2402140 is 412042.

2402140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 2402140.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4360 + ... + 4879.

It is an arithmetic number, because the mean of its divisors is an integer number (226380).

2^2402140 is an apocalyptic number.

2402140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2402140 is an abundant number, since it is smaller than the sum of its proper divisors (3030980).

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

2402140 is a wasteful number, since it uses less digits than its factorization.

2402140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9261 (or 9259 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 2402140 is about 1549.8838666171. The cubic root of 2402140 is about 133.9263722644.

Adding to 2402140 its reverse (412042), we get a palindrome (2814182).

The spelling of 2402140 in words is "two million, four hundred two thousand, one hundred forty".