1004540014020 has 192 divisors, whose sum is σ = 3029442232320. Its totient is φ = 247807752192.

The previous prime is 1004540013977. The next prime is 1004540014067. The reversal of 1004540014020 is 204100454001.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17941389 + ... + 17997291.

It is an arithmetic number, because the mean of its divisors is an integer number (15778344960).

Almost surely, 2^{1004540014020} is an apocalyptic number.

1004540014020 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 1004540014020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1514721116160).

1004540014020 is an abundant number, since it is smaller than the sum of its proper divisors (2024902218300).

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

1004540014020 is a wasteful number, since it uses less digits than its factorization.

1004540014020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56234 (or 56232 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

Adding to 1004540014020 its reverse (204100454001), we get a palindrome (1208640468021).

The spelling of 1004540014020 in words is "one trillion, four billion, five hundred forty million, fourteen thousand, twenty".