227724561400 has 96 divisors (see below), whose sum is σ = 605286973440. Its totient is φ = 78052440960.

The previous prime is 227724561397. The next prime is 227724561413. The reversal of 227724561400 is 4165427722.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

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, 4745929 + ... + 4793671.

It is an arithmetic number, because the mean of its divisors is an integer number (6305072640).

Almost surely, 2^227724561400 is an apocalyptic number.

227724561400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 227724561400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (302643486720).

227724561400 is an abundant number, since it is smaller than the sum of its proper divisors (377562412040).

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

227724561400 is a wasteful number, since it uses less digits than its factorization.

227724561400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51173 (or 51164 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 40.

The spelling of 227724561400 in words is "two hundred twenty-seven billion, seven hundred twenty-four million, five hundred sixty-one thousand, four hundred".