1456440511442 has 64 divisors (see below), whose sum is σ = 2647787274240. Its totient is φ = 587542507200.

The previous prime is 1456440511399. The next prime is 1456440511451. The reversal of 1456440511442 is 2441150446541.

It is a self number, because there is not a number n which added to its sum of digits gives 1456440511442.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58294109 + ... + 58319087.

It is an arithmetic number, because the mean of its divisors is an integer number (41371676160).

Almost surely, 2^{1456440511442} is an apocalyptic number.

1456440511442 is a deficient number, since it is larger than the sum of its proper divisors (1191346762798).

1456440511442 is a wasteful number, since it uses less digits than its factorization.

1456440511442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28687.

The product of its (nonzero) digits is 307200, while the sum is 41.

Adding to 1456440511442 its reverse (2441150446541), we get a palindrome (3897590957983).

The spelling of 1456440511442 in words is "one trillion, four hundred fifty-six billion, four hundred forty million, five hundred eleven thousand, four hundred forty-two".