4520251423452 has 96 divisors (see below), whose sum is σ = 11364761624832. Its totient is φ = 1393205400576.

The previous prime is 4520251423433. The next prime is 4520251423481. The reversal of 4520251423452 is 2543241520254.

It is a self number, because there is not a number n which added to its sum of digits gives 4520251423452.

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, 4654843 + ... + 5541485.

It is an arithmetic number, because the mean of its divisors is an integer number (118382933592).

Almost surely, 2^{4520251423452} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4520251423452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5682380812416).

4520251423452 is an abundant number, since it is smaller than the sum of its proper divisors (6844510201380).

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

4520251423452 is a wasteful number, since it uses less digits than its factorization.

4520251423452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887107 (or 887105 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 39.

The spelling of 4520251423452 in words is "four trillion, five hundred twenty billion, two hundred fifty-one million, four hundred twenty-three thousand, four hundred fifty-two".