5220437400 has 144 divisors (see below), whose sum is σ = 17729501400. Its totient is φ = 1376432640.

The previous prime is 5220437371. The next prime is 5220437437. The reversal of 5220437400 is 47340225.

5220437400 is a `hidden beast` number, since 5 + 220 + 4 + 37 + 400 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 143907 + ... + 176493.

Almost surely, 2^5220437400 is an apocalyptic number.

5220437400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5220437400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8864750700).

5220437400 is an abundant number, since it is smaller than the sum of its proper divisors (12509064000).

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

5220437400 is a wasteful number, since it uses less digits than its factorization.

5220437400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32698 (or 32686 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 5220437400 is about 72252.5944170865. The cubic root of 5220437400 is about 1734.7449455790.

Adding to 5220437400 its reverse (47340225), we get a palindrome (5267777625).

The spelling of 5220437400 in words is "five billion, two hundred twenty million, four hundred thirty-seven thousand, four hundred".