5621147400 has 96 divisors (see below), whose sum is σ = 19009720800. Its totient is φ = 1362700800.

The previous prime is 5621147347. The next prime is 5621147423. The reversal of 5621147400 is 47411265.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 419245 + ... + 432444.

It is an arithmetic number, because the mean of its divisors is an integer number (198017925).

Almost surely, 2^5621147400 is an apocalyptic number.

5621147400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5621147400 is an abundant number, since it is smaller than the sum of its proper divisors (13388573400).

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

5621147400 is a wasteful number, since it uses less digits than its factorization.

5621147400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851719 (or 851710 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 5621147400 is about 74974.3116007076. The cubic root of 5621147400 is about 1778.0405361909.

Adding to 5621147400 its reverse (47411265), we get a palindrome (5668558665).

The spelling of 5621147400 in words is "five billion, six hundred twenty-one million, one hundred forty-seven thousand, four hundred".