2351040 has 112 divisors (see below), whose sum is σ = 7802880. Its totient is φ = 599040.

The previous prime is 2351033. The next prime is 2351047. The reversal of 2351040 is 401532.

It is an interprime number because it is at equal distance from previous prime (2351033) and next prime (2351047).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2351047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29721 + ... + 29799.

2^2351040 is an apocalyptic number.

2351040 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 2351040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3901440).

2351040 is an abundant number, since it is smaller than the sum of its proper divisors (5451840).

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

2351040 is a wasteful number, since it uses less digits than its factorization.

2351040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 2351040 is about 1533.3101447522. The cubic root of 2351040 is about 132.9698991560.

Adding to 2351040 its reverse (401532), we get a palindrome (2752572).

It can be divided in two parts, 235 and 1040, that added together give a triangular number (1275 = T₅₀).

The spelling of 2351040 in words is "two million, three hundred fifty-one thousand, forty".