252780528030 has 32 divisors (see below), whose sum is σ = 606779796384. Its totient is φ = 67396304256.

The previous prime is 252780527983. The next prime is 252780528037. The reversal of 252780528030 is 30825087252.

It is a super-2 number, since 2×252780528030² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252780528037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 565417 + ... + 908436.

It is an arithmetic number, because the mean of its divisors is an integer number (18961868637).

Almost surely, 2^252780528030 is an apocalyptic number.

252780528030 is an abundant number, since it is smaller than the sum of its proper divisors (353999268354).

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

252780528030 is a wasteful number, since it uses less digits than its factorization.

252780528030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1479580.

The product of its (nonzero) digits is 268800, while the sum is 42.

The spelling of 252780528030 in words is "two hundred fifty-two billion, seven hundred eighty million, five hundred twenty-eight thousand, thirty".