502400145425 has 12 divisors (see below), whose sum is σ = 623195858076. Its totient is φ = 401778388800.

The previous prime is 502400145413. The next prime is 502400145449. The reversal of 502400145425 is 524541004205.

It can be written as a sum of positive squares in 6 ways, for example, as 29761770256 + 472638375169 = 172516^2 + 687487^2 .

It is not a de Polignac number, because 502400145425 - 2¹⁴ = 502400129041 is a prime.

It is a super-2 number, since 2×502400145425² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 502400145391 and 502400145400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3470846 + ... + 3612695.

It is an arithmetic number, because the mean of its divisors is an integer number (51932988173).

Almost surely, 2^502400145425 is an apocalyptic number.

It is an amenable number.

502400145425 is a deficient number, since it is larger than the sum of its proper divisors (120795712651).

502400145425 is a wasteful number, since it uses less digits than its factorization.

502400145425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7086388 (or 7086383 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 32.

The spelling of 502400145425 in words is "five hundred two billion, four hundred million, one hundred forty-five thousand, four hundred twenty-five".