526722221532 has 96 divisors (see below), whose sum is σ = 1357702113600. Its totient is φ = 157898373120.

The previous prime is 526722221453. The next prime is 526722221549. The reversal of 526722221532 is 235122227625.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4632094 + ... + 4744442.

It is an arithmetic number, because the mean of its divisors is an integer number (14142730350).

Almost surely, 2^526722221532 is an apocalyptic number.

526722221532 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 526722221532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (678851056800).

526722221532 is an abundant number, since it is smaller than the sum of its proper divisors (830979892068).

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

526722221532 is a wasteful number, since it uses less digits than its factorization.

526722221532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113143 (or 113141 counting only the distinct ones).

The product of its digits is 201600, while the sum is 39.

The spelling of 526722221532 in words is "five hundred twenty-six billion, seven hundred twenty-two million, two hundred twenty-one thousand, five hundred thirty-two".