1440300142422 has 48 divisors (see below), whose sum is σ = 3139203944448. Its totient is φ = 477249194160.

The previous prime is 1440300142409. The next prime is 1440300142423. The reversal of 1440300142422 is 2242410030441.

1440300142422 is a `hidden beast` number, since 1 + 4 + 403 + 0 + 0 + 14 + 242 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440300142423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4745073 + ... + 5039475.

It is an arithmetic number, because the mean of its divisors is an integer number (65400082176).

Almost surely, 2^{1440300142422} is an apocalyptic number.

1440300142422 is an abundant number, since it is smaller than the sum of its proper divisors (1698903802026).

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

1440300142422 is a wasteful number, since it uses less digits than its factorization.

1440300142422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296025 (or 296022 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 1440300142422 its reverse (2242410030441), we get a palindrome (3682710172863).

The spelling of 1440300142422 in words is "one trillion, four hundred forty billion, three hundred million, one hundred forty-two thousand, four hundred twenty-two".