5211322540 has 24 divisors (see below), whose sum is σ = 11093695200. Its totient is φ = 2055973248.

The previous prime is 5211322513. The next prime is 5211322547. The reversal of 5211322540 is 452231125.

It is not an unprimeable number, because it can be changed into a prime (5211322547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1783240 + ... + 1786159.

It is an arithmetic number, because the mean of its divisors is an integer number (462237300).

Almost surely, 2^5211322540 is an apocalyptic number.

It is an amenable number.

5211322540 is an abundant number, since it is smaller than the sum of its proper divisors (5882372660).

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

5211322540 is a wasteful number, since it uses less digits than its factorization.

5211322540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3569481 (or 3569479 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 5211322540 is about 72189.4905093532. The cubic root of 5211322540 is about 1733.7347384786.

Adding to 5211322540 its reverse (452231125), we get a palindrome (5663553665).

The spelling of 5211322540 in words is "five billion, two hundred eleven million, three hundred twenty-two thousand, five hundred forty".