529438140 has 576 divisors, whose sum is σ = 2233889280. Its totient is φ = 102574080.

The previous prime is 529438111. The next prime is 529438177. The reversal of 529438140 is 41834925.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 529438095 and 529438104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 4947967 + ... + 4948073.

It is an arithmetic number, because the mean of its divisors is an integer number (3878280).

Almost surely, 2^529438140 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 529438140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1116944640).

529438140 is an abundant number, since it is smaller than the sum of its proper divisors (1704451140).

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

529438140 is a wasteful number, since it uses less digits than its factorization.

529438140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 529438140 is about 23009.5228112188. The cubic root of 529438140 is about 808.9811607154.

It can be divided in two parts, 5294 and 38140, that added together give a palindrome (43434).

The spelling of 529438140 in words is "five hundred twenty-nine million, four hundred thirty-eight thousand, one hundred forty".