42201564520 has 32 divisors (see below), whose sum is σ = 94980097800. Its totient is φ = 16875900928.

The previous prime is 42201564497. The next prime is 42201564533. The reversal of 42201564520 is 2546510224.

It can be written as a sum of positive squares in 4 ways, for example, as 13097886916 + 29103677604 = 114446^2 + 170598^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1165 + ... + 290524.

Almost surely, 2^42201564520 is an apocalyptic number.

42201564520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42201564520 is an abundant number, since it is smaller than the sum of its proper divisors (52778533280).

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

42201564520 is a wasteful number, since it uses less digits than its factorization.

42201564520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295317 (or 295313 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

The spelling of 42201564520 in words is "forty-two billion, two hundred one million, five hundred sixty-four thousand, five hundred twenty".