1420340322400 has 72 divisors (see below), whose sum is σ = 3467686178880. Its totient is φ = 568090191360.

The previous prime is 1420340322337. The next prime is 1420340322419. The reversal of 1420340322400 is 42230430241.

It is a happy number.

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

It is a congruent number.

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, 10870257 + ... + 11000143.

It is an arithmetic number, because the mean of its divisors is an integer number (48162308040).

Almost surely, 2^{1420340322400} is an apocalyptic number.

1420340322400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1420340322400 is an abundant number, since it is smaller than the sum of its proper divisors (2047345856480).

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

1420340322400 is a wasteful number, since it uses less digits than its factorization.

1420340322400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143576 (or 143563 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 1420340322400 its reverse (42230430241), we get a palindrome (1462570752641).

The spelling of 1420340322400 in words is "one trillion, four hundred twenty billion, three hundred forty million, three hundred twenty-two thousand, four hundred".