526142064 has 80 divisors (see below), whose sum is σ = 1586469888. Its totient is φ = 147123456.

The previous prime is 526142051. The next prime is 526142083. The reversal of 526142064 is 460241625.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 867 + ... + 32450.

Almost surely, 2^526142064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 526142064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (793234944).

526142064 is an abundant number, since it is smaller than the sum of its proper divisors (1060327824).

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

526142064 is a wasteful number, since it uses less digits than its factorization.

526142064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33382 (or 33376 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 526142064 is about 22937.7868156455. The cubic root of 526142064 is about 807.2988640445.

Adding to 526142064 its reverse (460241625), we get a palindrome (986383689).

The spelling of 526142064 in words is "five hundred twenty-six million, one hundred forty-two thousand, sixty-four".