1004201440 has 48 divisors (see below), whose sum is σ = 2588105520. Its totient is φ = 365163520.

The previous prime is 1004201437. The next prime is 1004201449. The reversal of 1004201440 is 441024001.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004201449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283525 + ... + 287044.

It is an arithmetic number, because the mean of its divisors is an integer number (53918865).

Almost surely, 2^1004201440 is an apocalyptic number.

1004201440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1004201440 is an abundant number, since it is smaller than the sum of its proper divisors (1583904080).

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

1004201440 is a wasteful number, since it uses less digits than its factorization.

1004201440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570595 (or 570587 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1004201440 is about 31689.1375710984. The cubic root of 1004201440 is about 1001.3985232210.

Adding to 1004201440 its reverse (441024001), we get a palindrome (1445225441).

The spelling of 1004201440 in words is "one billion, four million, two hundred one thousand, four hundred forty".