2530040 has 32 divisors (see below), whose sum is σ = 5994000. Its totient is φ = 958464.

The previous prime is 2530039. The next prime is 2530043. The reversal of 2530040 is 400352.

It is a super-2 number, since 2×2530040² = 12802204803200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2529997 and 2530024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2530043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 905 + ... + 2424.

2^2530040 is an apocalyptic number.

2530040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2530040 is an abundant number, since it is smaller than the sum of its proper divisors (3463960).

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

2530040 is a wasteful number, since it uses less digits than its factorization.

2530040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3359 (or 3355 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 2530040 is about 1590.6099459013. The cubic root of 2530040 is about 136.2623252885.

Adding to 2530040 its reverse (400352), we get a palindrome (2930392).

The spelling of 2530040 in words is "two million, five hundred thirty thousand, forty".