1004202421040 has 180 divisors, whose sum is σ = 2940950186784. Its totient is φ = 317813303808.

The previous prime is 1004202421037. The next prime is 1004202421043. The reversal of 1004202421040 is 401242024001.

1004202421040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1004202421037) and next prime (1004202421043).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (1004202421043) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 95432 + ... + 1420391.

Almost surely, 2^{1004202421040} is an apocalyptic number.

1004202421040 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 1004202421040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1470475093392).

1004202421040 is an abundant number, since it is smaller than the sum of its proper divisors (1936747765744).

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

1004202421040 is a wasteful number, since it uses less digits than its factorization.

1004202421040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1515876 (or 1515850 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 1004202421040 its reverse (401242024001), we get a palindrome (1405444445041).

The spelling of 1004202421040 in words is "one trillion, four billion, two hundred two million, four hundred twenty-one thousand, forty".