503201400 has 96 divisors (see below), whose sum is σ = 1679944560. Its totient is φ = 123863040.

The previous prime is 503201389. The next prime is 503201401. The reversal of 503201400 is 4102305.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 503201400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503201401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24457 + ... + 40056.

Almost surely, 2^503201400 is an apocalyptic number.

503201400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

503201400 is an abundant number, since it is smaller than the sum of its proper divisors (1176743160).

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

503201400 is a wasteful number, since it uses less digits than its factorization.

503201400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64545 (or 64536 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 503201400 is about 22432.1510337284. The cubic root of 503201400 is about 795.3908919850.

Adding to 503201400 its reverse (4102305), we get a palindrome (507303705).

The spelling of 503201400 in words is "five hundred three million, two hundred one thousand, four hundred".