1563041040 has 80 divisors (see below), whose sum is σ = 5285929536. Its totient is φ = 378918400.

The previous prime is 1563041021. The next prime is 1563041069. The reversal of 1563041040 is 401403651.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1563041040.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 293391 + ... + 298670.

Almost surely, 2^1563041040 is an apocalyptic number.

1563041040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1563041040 is an abundant number, since it is smaller than the sum of its proper divisors (3722888496).

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

1563041040 is a wasteful number, since it uses less digits than its factorization.

1563041040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592088 (or 592082 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1563041040 is about 39535.3138345960. The cubic root of 1563041040 is about 1160.5311281590.

Adding to 1563041040 its reverse (401403651), we get a palindrome (1964444691).

The spelling of 1563041040 in words is "one billion, five hundred sixty-three million, forty-one thousand, forty".