5223862640 has 20 divisors (see below), whose sum is σ = 12145480824. Its totient is φ = 2089545024.

The previous prime is 5223862627. The next prime is 5223862681. The reversal of 5223862640 is 462683225.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 5223862594 and 5223862603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32649062 + ... + 32649221.

Almost surely, 2^5223862640 is an apocalyptic number.

It is an amenable number.

5223862640 is an abundant number, since it is smaller than the sum of its proper divisors (6921618184).

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

5223862640 is a wasteful number, since it uses less digits than its factorization.

5223862640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65298296 (or 65298290 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 38.

The square root of 5223862640 is about 72276.2937622012. The cubic root of 5223862640 is about 1735.1242636487.

The spelling of 5223862640 in words is "five billion, two hundred twenty-three million, eight hundred sixty-two thousand, six hundred forty".