562891420 has 288 divisors, whose sum is σ = 1650595968. Its totient is φ = 158957568.

The previous prime is 562891391. The next prime is 562891451. The reversal of 562891420 is 24198265.

It is a self number, because there is not a number n which added to its sum of digits gives 562891420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4981284 + ... + 4981396.

It is an arithmetic number, because the mean of its divisors is an integer number (5731236).

Almost surely, 2^562891420 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 562891420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (825297984).

562891420 is an abundant number, since it is smaller than the sum of its proper divisors (1087704548).

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

562891420 is a wasteful number, since it uses less digits than its factorization.

562891420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 562891420 is about 23725.3328743771. The cubic root of 562891420 is about 825.6732404747.

The spelling of 562891420 in words is "five hundred sixty-two million, eight hundred ninety-one thousand, four hundred twenty".