1422452402400 has 144 divisors (see below), whose sum is σ = 4631311327104. Its totient is φ = 379219975680.

The previous prime is 1422452402363. The next prime is 1422452402411. The reversal of 1422452402400 is 42042542241.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 9194487 + ... + 9347913.

It is an arithmetic number, because the mean of its divisors is an integer number (32161884216).

Almost surely, 2^{1422452402400} is an apocalyptic number.

1422452402400 is a gapful number since it is divisible by the number (10) 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 1422452402400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2315655663552).

1422452402400 is an abundant number, since it is smaller than the sum of its proper divisors (3208858924704).

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

1422452402400 is a wasteful number, since it uses less digits than its factorization.

1422452402400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157313 (or 157300 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 30.

Adding to 1422452402400 its reverse (42042542241), we get a palindrome (1464494944641).

The spelling of 1422452402400 in words is "one trillion, four hundred twenty-two billion, four hundred fifty-two million, four hundred two thousand, four hundred".