2520105404 has 6 divisors (see below), whose sum is σ = 4410184464. Its totient is φ = 1260052700.

The previous prime is 2520105403. The next prime is 2520105407. The reversal of 2520105404 is 4045010252.

It is a happy number.

2520105404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2520105404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520105403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315013172 + ... + 315013179.

It is an arithmetic number, because the mean of its divisors is an integer number (735030744).

Almost surely, 2^2520105404 is an apocalyptic number.

It is an amenable number.

2520105404 is a deficient number, since it is larger than the sum of its proper divisors (1890079060).

2520105404 is a wasteful number, since it uses less digits than its factorization.

2520105404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630026355 (or 630026353 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 2520105404 is about 50200.6514300362. The cubic root of 2520105404 is about 1360.8373959030.

Adding to 2520105404 its reverse (4045010252), we get a palindrome (6565115656).

The spelling of 2520105404 in words is "two billion, five hundred twenty million, one hundred five thousand, four hundred four".