562123640 has 64 divisors (see below), whose sum is σ = 1367271360. Its totient is φ = 206760960.

The previous prime is 562123637. The next prime is 562123669. The reversal of 562123640 is 46321265.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144197 + ... + 148043.

It is an arithmetic number, because the mean of its divisors is an integer number (21363615).

Almost surely, 2^562123640 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 562123640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (683635680).

562123640 is an abundant number, since it is smaller than the sum of its proper divisors (805147720).

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

562123640 is a wasteful number, since it uses less digits than its factorization.

562123640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4152 (or 4148 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 562123640 is about 23709.1467581607. The cubic root of 562123640 is about 825.2976654677.

The spelling of 562123640 in words is "five hundred sixty-two million, one hundred twenty-three thousand, six hundred forty".