5215211406 has 160 divisors (see below), whose sum is σ = 12710320128. Its totient is φ = 1593535680.

The previous prime is 5215211387. The next prime is 5215211413. The reversal of 5215211406 is 6041125125.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 5215211406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 18827340 + ... + 18827616.

Almost surely, 2^5215211406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5215211406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6355160064).

5215211406 is an abundant number, since it is smaller than the sum of its proper divisors (7495108722).

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

5215211406 is a wasteful number, since it uses less digits than its factorization.

5215211406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508 (or 499 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 5215211406 is about 72216.4206119356. The cubic root of 5215211406 is about 1734.1658885126.

The spelling of 5215211406 in words is "five billion, two hundred fifteen million, two hundred eleven thousand, four hundred six".