2403004540 has 24 divisors (see below), whose sum is σ = 5057134992. Its totient is φ = 959139840.

The previous prime is 2403004507. The next prime is 2403004543. The reversal of 2403004540 is 454003042.

It is a happy number.

It is a super-2 number, since 2×2403004540² = 11548861638521223200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2403004543) 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, 119301 + ... + 137980.

It is an arithmetic number, because the mean of its divisors is an integer number (210713958).

Almost surely, 2^2403004540 is an apocalyptic number.

2403004540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2403004540 is an abundant number, since it is smaller than the sum of its proper divisors (2654130452).

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

2403004540 is a wasteful number, since it uses less digits than its factorization.

2403004540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257757 (or 257755 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 2403004540 is about 49020.4502223307. The cubic root of 2403004540 is about 1339.4243722014.

Adding to 2403004540 its reverse (454003042), we get a palindrome (2857007582).

The spelling of 2403004540 in words is "two billion, four hundred three million, four thousand, five hundred forty".