1563044490 has 192 divisors, whose sum is σ = 4833533952. Its totient is φ = 342921600.

The previous prime is 1563044479. The next prime is 1563044491. The reversal of 1563044490 is 944403651.

1563044490 is a `hidden beast` number, since 1 + 563 + 0 + 4 + 4 + 4 + 90 = 666.

It is not an unprimeable number, because it can be changed into a prime (1563044491) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3183145 + ... + 3183635.

It is an arithmetic number, because the mean of its divisors is an integer number (25174656).

Almost surely, 2^1563044490 is an apocalyptic number.

1563044490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1563044490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2416766976).

1563044490 is an abundant number, since it is smaller than the sum of its proper divisors (3270489462).

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

1563044490 is a wasteful number, since it uses less digits than its factorization.

1563044490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705 (or 702 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 1563044490 is about 39535.3574664502. The cubic root of 1563044490 is about 1160.5319820136.

The spelling of 1563044490 in words is "one billion, five hundred sixty-three million, forty-four thousand, four hundred ninety".