5312621280 has 96 divisors (see below), whose sum is σ = 17274636288. Its totient is φ = 1370995200.

The previous prime is 5312621267. The next prime is 5312621287. The reversal of 5312621280 is 821262135.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5312621287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163636 + ... + 193395.

It is an arithmetic number, because the mean of its divisors is an integer number (179944128).

Almost surely, 2^5312621280 is an apocalyptic number.

It is an amenable number.

5312621280 is an abundant number, since it is smaller than the sum of its proper divisors (11962015008).

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

5312621280 is a wasteful number, since it uses less digits than its factorization.

5312621280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357080 (or 357072 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 5312621280 is about 72887.7306547542. The cubic root of 5312621280 is about 1744.8962897069.

The spelling of 5312621280 in words is "five billion, three hundred twelve million, six hundred twenty-one thousand, two hundred eighty".