2601403936 has 72 divisors (see below), whose sum is σ = 5476414860. Its totient is φ = 1214922240.

The previous prime is 2601403933. The next prime is 2601403939. The reversal of 2601403936 is 6393041062.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2601403933) and next prime (2601403939).

It can be written as a sum of positive squares in 2 ways, for example, as 2231995536 + 369408400 = 47244^2 + 19220^2 .

It is not an unprimeable number, because it can be changed into a prime (2601403933) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 890350 + ... + 893266.

Almost surely, 2^2601403936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2601403936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2738207430).

2601403936 is an abundant number, since it is smaller than the sum of its proper divisors (2875010924).

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

2601403936 is a wasteful number, since it uses less digits than its factorization.

2601403936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3018 (or 2979 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 2601403936 is about 51003.9600031213. The cubic root of 2601403936 is about 1375.3163236528.

Adding to 2601403936 its reverse (6393041062), we get a palindrome (8994444998).

The spelling of 2601403936 in words is "two billion, six hundred one million, four hundred three thousand, nine hundred thirty-six".