1457514721360 has 80 divisors (see below), whose sum is σ = 3589500185856. Its totient is φ = 548490921984.

The previous prime is 1457514721331. The next prime is 1457514721361. The reversal of 1457514721360 is 631274157541.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×1457514721360² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1457514721360.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1457514721361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3189997 + ... + 3618163.

Almost surely, 2^{1457514721360} is an apocalyptic number.

1457514721360 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 1457514721360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1794750092928).

1457514721360 is an abundant number, since it is smaller than the sum of its proper divisors (2131985464496).

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

1457514721360 is a wasteful number, since it uses less digits than its factorization.

1457514721360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430700 (or 430694 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 46.

The spelling of 1457514721360 in words is "one trillion, four hundred fifty-seven billion, five hundred fourteen million, seven hundred twenty-one thousand, three hundred sixty".