5621303400 has 96 divisors (see below), whose sum is σ = 17796896640. Its totient is φ = 1467112960.

The previous prime is 5621303393. The next prime is 5621303423. The reversal of 5621303400 is 43031265.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71469 + ... + 127868.

It is an arithmetic number, because the mean of its divisors is an integer number (185384340).

Almost surely, 2^5621303400 is an apocalyptic number.

5621303400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5621303400 is an abundant number, since it is smaller than the sum of its proper divisors (12175593240).

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

5621303400 is a wasteful number, since it uses less digits than its factorization.

5621303400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199403 (or 199394 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 5621303400 is about 74975.3519498242. The cubic root of 5621303400 is about 1778.0569843012.

Adding to 5621303400 its reverse (43031265), we get a palindrome (5664334665).

The spelling of 5621303400 in words is "five billion, six hundred twenty-one million, three hundred three thousand, four hundred".