5263463240 has 64 divisors (see below), whose sum is σ = 13558492800. Its totient is φ = 1801433088.

The previous prime is 5263463131. The next prime is 5263463269. The reversal of 5263463240 is 423643625.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 5263463240.

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, 145271 + ... + 177849.

It is an arithmetic number, because the mean of its divisors is an integer number (211851450).

Almost surely, 2^5263463240 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 5263463240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6779246400).

5263463240 is an abundant number, since it is smaller than the sum of its proper divisors (8295029560).

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

5263463240 is a wasteful number, since it uses less digits than its factorization.

5263463240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33174 (or 33170 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 35.

The square root of 5263463240 is about 72549.7294274762. The cubic root of 5263463240 is about 1739.4977235232.

The spelling of 5263463240 in words is "five billion, two hundred sixty-three million, four hundred sixty-three thousand, two hundred forty".