5245420400 has 60 divisors (see below), whose sum is σ = 13747781544. Its totient is φ = 1907424000.

The previous prime is 5245420399. The next prime is 5245420409. The reversal of 5245420400 is 40245425.

It is a super-3 number, since 3×5245420400³ (a number of 30 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5245420400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5245420409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 591671 + ... + 600470.

Almost surely, 2^5245420400 is an apocalyptic number.

5245420400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5245420400 is an abundant number, since it is smaller than the sum of its proper divisors (8502361144).

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

5245420400 is a wasteful number, since it uses less digits than its factorization.

5245420400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1192170 (or 1192159 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 5245420400 is about 72425.2745938875. The cubic root of 5245420400 is about 1737.5078163304.

Adding to 5245420400 its reverse (40245425), we get a palindrome (5285665825).

The spelling of 5245420400 in words is "five billion, two hundred forty-five million, four hundred twenty thousand, four hundred".