1421310400 has 42 divisors (see below), whose sum is σ = 3497315840. Its totient is φ = 568523520.

The previous prime is 1421310389. The next prime is 1421310421. The reversal of 1421310400 is 40131241.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 442560 + ... + 445759.

Almost surely, 2^1421310400 is an apocalyptic number.

1421310400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1421310400 is an abundant number, since it is smaller than the sum of its proper divisors (2076005440).

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

1421310400 is an equidigital number, since it uses as much as digits as its factorization.

1421310400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888341 (or 888326 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1421310400 is about 37700.2705560583. The cubic root of 1421310400 is about 1124.3365042376.

Adding to 1421310400 its reverse (40131241), we get a palindrome (1461441641).

The spelling of 1421310400 in words is "one billion, four hundred twenty-one million, three hundred ten thousand, four hundred".