526448420 has 12 divisors (see below), whose sum is σ = 1105541724. Its totient is φ = 210579360.

The previous prime is 526448411. The next prime is 526448443. The reversal of 526448420 is 24844625.

It can be written as a sum of positive squares in 2 ways, for example, as 219217636 + 307230784 = 14806^2 + 17528^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13161191 + ... + 13161230.

It is an arithmetic number, because the mean of its divisors is an integer number (92128477).

Almost surely, 2^526448420 is an apocalyptic number.

It is an amenable number.

526448420 is an abundant number, since it is smaller than the sum of its proper divisors (579093304).

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

526448420 is a wasteful number, since it uses less digits than its factorization.

526448420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26322430 (or 26322428 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 35.

The square root of 526448420 is about 22944.4638202770. The cubic root of 526448420 is about 807.4555219010.

The spelling of 526448420 in words is "five hundred twenty-six million, four hundred forty-eight thousand, four hundred twenty".