722409062400 has 1152 divisors, whose sum is σ = 2839668249600. Its totient is φ = 181547827200.

The previous prime is 722409062383. The next prime is 722409062413. The reversal of 722409062400 is 4260904227.

722409062400 is a `hidden beast` number, since 7 + 2 + 2 + 409 + 0 + 6 + 240 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1152).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3782246305 + ... + 3782246495.

It is an arithmetic number, because the mean of its divisors is an integer number (2464989800).

Almost surely, 2^722409062400 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 722409062400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1419834124800).

722409062400 is an abundant number, since it is smaller than the sum of its proper divisors (2117259187200).

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

722409062400 is an equidigital number, since it uses as much as digits as its factorization.

722409062400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265 (or 220 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

Adding to 722409062400 its reverse (4260904227), we get a palindrome (726669966627).

The spelling of 722409062400 in words is "seven hundred twenty-two billion, four hundred nine million, sixty-two thousand, four hundred".