1457198420568 has 32 divisors (see below), whose sum is σ = 3974177511360. Its totient is φ = 441575278880.

The previous prime is 1457198420563. The next prime is 1457198420569. The reversal of 1457198420568 is 8650248917541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1457198420563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2759845230 + ... + 2759845757.

It is an arithmetic number, because the mean of its divisors is an integer number (124193047230).

Almost surely, 2^{1457198420568} is an apocalyptic number.

It is an amenable number.

1457198420568 is an abundant number, since it is smaller than the sum of its proper divisors (2516979090792).

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

1457198420568 is a wasteful number, since it uses less digits than its factorization.

1457198420568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5519691007 (or 5519691003 counting only the distinct ones).

The product of its (nonzero) digits is 19353600, while the sum is 60.

The spelling of 1457198420568 in words is "one trillion, four hundred fifty-seven billion, one hundred ninety-eight million, four hundred twenty thousand, five hundred sixty-eight".