1563056376 has 32 divisors (see below), whose sum is σ = 4465875840. Its totient is φ = 446587488.

The previous prime is 1563056371. The next prime is 1563056387. The reversal of 1563056376 is 6736503651.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1563056371) 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, 4651786 + ... + 4652121.

It is an arithmetic number, because the mean of its divisors is an integer number (139558620).

Almost surely, 2^1563056376 is an apocalyptic number.

It is an amenable number.

1563056376 is an abundant number, since it is smaller than the sum of its proper divisors (2902819464).

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

1563056376 is a wasteful number, since it uses less digits than its factorization.

1563056376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9303923 (or 9303919 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 42.

The square root of 1563056376 is about 39535.5077873043. The cubic root of 1563056376 is about 1160.5349237188.

The spelling of 1563056376 in words is "one billion, five hundred sixty-three million, fifty-six thousand, three hundred seventy-six".