2051140 has 96 divisors (see below), whose sum is σ = 5644800. Its totient is φ = 620928.

The previous prime is 2051123. The next prime is 2051167. The reversal of 2051140 is 411502.

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 2051140.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89169 + ... + 89191.

It is an arithmetic number, because the mean of its divisors is an integer number (58800).

2^2051140 is an apocalyptic number.

2051140 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 2051140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2822400).

2051140 is an abundant number, since it is smaller than the sum of its proper divisors (3593660).

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

2051140 is a wasteful number, since it uses less digits than its factorization.

2051140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66 (or 50 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 2051140 is about 1432.1801562653. The cubic root of 2051140 is about 127.0569525700.

Adding to 2051140 its reverse (411502), we get a palindrome (2462642).

The spelling of 2051140 in words is "two million, fifty-one thousand, one hundred forty".