1457142440056 has 32 divisors (see below), whose sum is σ = 2741059621440. Its totient is φ = 726195345408.

The previous prime is 1457142440051. The next prime is 1457142440057. The reversal of 1457142440056 is 6500442417541.

It is a super-2 number, since 2×1457142440056² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1457142439994 and 1457142440021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1457142440051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5366640 + ... + 5631616.

It is an arithmetic number, because the mean of its divisors is an integer number (85658113170).

Almost surely, 2^{1457142440056} is an apocalyptic number.

It is an amenable number.

1457142440056 is a deficient number, since it is larger than the sum of its proper divisors (1283917181384).

1457142440056 is a wasteful number, since it uses less digits than its factorization.

1457142440056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267223 (or 267219 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 43.

Adding to 1457142440056 its reverse (6500442417541), we get a palindrome (7957584857597).

The spelling of 1457142440056 in words is "one trillion, four hundred fifty-seven billion, one hundred forty-two million, four hundred forty thousand, fifty-six".