42052534650 has 144 divisors (see below), whose sum is σ = 131558079744. Its totient is φ = 9430611840.

The previous prime is 42052534631. The next prime is 42052534651. The reversal of 42052534650 is 5643525024.

42052534650 is a `hidden beast` number, since 4 + 20 + 52 + 534 + 6 + 50 = 666.

It is not an unprimeable number, because it can be changed into a prime (42052534651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 41007 + ... + 292893.

It is an arithmetic number, because the mean of its divisors is an integer number (913597776).

Almost surely, 2^42052534650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42052534650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65779039872).

42052534650 is an abundant number, since it is smaller than the sum of its proper divisors (89505545094).

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

42052534650 is a wasteful number, since it uses less digits than its factorization.

42052534650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251965 (or 251957 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

The spelling of 42052534650 in words is "forty-two billion, fifty-two million, five hundred thirty-four thousand, six hundred fifty".