1004425501520 has 160 divisors (see below), whose sum is σ = 2810176327680. Its totient is φ = 326155921920.

The previous prime is 1004425501421. The next prime is 1004425501531. The reversal of 1004425501520 is 251055244001.

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, 43729559 + ... + 43752521.

It is an arithmetic number, because the mean of its divisors is an integer number (17563602048).

Almost surely, 2^{1004425501520} is an apocalyptic number.

1004425501520 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 1004425501520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1405088163840).

1004425501520 is an abundant number, since it is smaller than the sum of its proper divisors (1805750826160).

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

1004425501520 is a wasteful number, since it uses less digits than its factorization.

1004425501520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27113 (or 27107 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

The spelling of 1004425501520 in words is "one trillion, four billion, four hundred twenty-five million, five hundred one thousand, five hundred twenty".