505200525400 has 48 divisors (see below), whose sum is σ = 1186220885040. Its totient is φ = 200079408000.

The previous prime is 505200525341. The next prime is 505200525409. The reversal of 505200525400 is 4525002505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505200525409) 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, 12484764 + ... + 12525163.

It is an arithmetic number, because the mean of its divisors is an integer number (24712935105).

Almost surely, 2^505200525400 is an apocalyptic number.

505200525400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

505200525400 is an abundant number, since it is smaller than the sum of its proper divisors (681020359640).

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

505200525400 is a wasteful number, since it uses less digits than its factorization.

505200525400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25010044 (or 25010035 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 28.

Adding to 505200525400 its reverse (4525002505), we get a palindrome (509725527905).

The spelling of 505200525400 in words is "five hundred five billion, two hundred million, five hundred twenty-five thousand, four hundred".