1002041544 has 32 divisors (see below), whose sum is σ = 2862976320. Its totient is φ = 286297536.

The previous prime is 1002041543. The next prime is 1002041561. The reversal of 1002041544 is 4451402001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 1002041544.

It is not an unprimeable number, because it can be changed into a prime (1002041543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2982099 + ... + 2982434.

It is an arithmetic number, because the mean of its divisors is an integer number (89468010).

Almost surely, 2^1002041544 is an apocalyptic number.

1002041544 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1002041544 is an abundant number, since it is smaller than the sum of its proper divisors (1860934776).

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

1002041544 is a wasteful number, since it uses less digits than its factorization.

1002041544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5964549 (or 5964545 counting only the distinct ones).

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

The square root of 1002041544 is about 31655.0397883181. The cubic root of 1002041544 is about 1000.6800520910.

Adding to 1002041544 its reverse (4451402001), we get a palindrome (5453443545).

The spelling of 1002041544 in words is "one billion, two million, forty-one thousand, five hundred forty-four".