1427322400 has 72 divisors (see below), whose sum is σ = 3982245120. Its totient is φ = 489365760.

The previous prime is 1427322343. The next prime is 1427322437. The reversal of 1427322400 is 42237241.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 121840 + ... + 133039.

It is an arithmetic number, because the mean of its divisors is an integer number (55308960).

Almost surely, 2^1427322400 is an apocalyptic number.

1427322400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1427322400 is an abundant number, since it is smaller than the sum of its proper divisors (2554922720).

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

1427322400 is a wasteful number, since it uses less digits than its factorization.

1427322400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254906 (or 254893 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 1427322400 is about 37779.9205928228. The cubic root of 1427322400 is about 1125.9195510544.

Adding to 1427322400 its reverse (42237241), we get a palindrome (1469559641).

The spelling of 1427322400 in words is "one billion, four hundred twenty-seven million, three hundred twenty-two thousand, four hundred".