561914496 has 320 divisors, whose sum is σ = 1969783200. Its totient is φ = 156764160.

The previous prime is 561914477. The next prime is 561914513. The reversal of 561914496 is 694419165.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1482435 + ... + 1482813.

Almost surely, 2^561914496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 561914496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (984891600).

561914496 is an abundant number, since it is smaller than the sum of its proper divisors (1407868704).

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

561914496 is a wasteful number, since it uses less digits than its factorization.

561914496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429 (or 408 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 561914496 is about 23704.7357293854. The cubic root of 561914496 is about 825.1952992184.

The spelling of 561914496 in words is "five hundred sixty-one million, nine hundred fourteen thousand, four hundred ninety-six".