2604621400 has 48 divisors (see below), whose sum is σ = 6170029200. Its totient is φ = 1022186880.

The previous prime is 2604621377. The next prime is 2604621427. The reversal of 2604621400 is 41264062.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112260 + ... + 133459.

It is an arithmetic number, because the mean of its divisors is an integer number (128542275).

Almost surely, 2^2604621400 is an apocalyptic number.

2604621400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2604621400 is an abundant number, since it is smaller than the sum of its proper divisors (3565407800).

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

2604621400 is a wasteful number, since it uses less digits than its factorization.

2604621400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245788 (or 245779 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 2604621400 is about 51035.4915720423. The cubic root of 2604621400 is about 1375.8830955193.

Adding to 2604621400 its reverse (41264062), we get a palindrome (2645885462).

The spelling of 2604621400 in words is "two billion, six hundred four million, six hundred twenty-one thousand, four hundred".