1452563456540 has 96 divisors (see below), whose sum is σ = 3514582192128. Its totient is φ = 493970400000.

The previous prime is 1452563456471. The next prime is 1452563456557. The reversal of 1452563456540 is 456543652541.

It is a congruent number.

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, 13921565 + ... + 14025515.

It is an arithmetic number, because the mean of its divisors is an integer number (36610231168).

Almost surely, 2^{1452563456540} is an apocalyptic number.

1452563456540 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 1452563456540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1757291096064).

1452563456540 is an abundant number, since it is smaller than the sum of its proper divisors (2062018735588).

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

1452563456540 is a wasteful number, since it uses less digits than its factorization.

1452563456540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104779 (or 104777 counting only the distinct ones).

The product of its (nonzero) digits is 8640000, while the sum is 50.

The spelling of 1452563456540 in words is "one trillion, four hundred fifty-two billion, five hundred sixty-three million, four hundred fifty-six thousand, five hundred forty".