2651040 has 144 divisors (see below), whose sum is σ = 10378368. Its totient is φ = 603648.

The previous prime is 2651039. The next prime is 2651041. The reversal of 2651040 is 401562.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2651039) and next prime (2651041).

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2651041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9949 + ... + 10211.

It is an arithmetic number, because the mean of its divisors is an integer number (72072).

2^2651040 is an apocalyptic number.

2651040 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 2651040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5189184).

2651040 is an abundant number, since it is smaller than the sum of its proper divisors (7727328).

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

2651040 is a wasteful number, since it uses less digits than its factorization.

2651040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291 (or 280 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 2651040 is about 1628.2014617362. The cubic root of 2651040 is about 138.4008508975.

The spelling of 2651040 in words is "two million, six hundred fifty-one thousand, forty".