1453306530520 has 64 divisors (see below), whose sum is σ = 3524825435040. Its totient is φ = 536094720000.

The previous prime is 1453306530499. The next prime is 1453306530527. The reversal of 1453306530520 is 250356033541.

It is a super-2 number, since 2×1453306530520² (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 1453306530520.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1453306530527) 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, 783081 + ... + 1876120.

Almost surely, 2^{1453306530520} is an apocalyptic number.

1453306530520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1453306530520 is an abundant number, since it is smaller than the sum of its proper divisors (2071518904520).

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

1453306530520 is a wasteful number, since it uses less digits than its factorization.

1453306530520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2660276 (or 2660272 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 37.

The spelling of 1453306530520 in words is "one trillion, four hundred fifty-three billion, three hundred six million, five hundred thirty thousand, five hundred twenty".