42221550320 has 40 divisors (see below), whose sum is σ = 98386778736. Its totient is φ = 16850482688.

The previous prime is 42221550299. The next prime is 42221550337. The reversal of 42221550320 is 2305512224.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×42221550320² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42221550320.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 560237 + ... + 631116.

Almost surely, 2^42221550320 is an apocalyptic number.

42221550320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42221550320 is an abundant number, since it is smaller than the sum of its proper divisors (56165228416).

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

42221550320 is a wasteful number, since it uses less digits than its factorization.

42221550320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1191809 (or 1191803 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The spelling of 42221550320 in words is "forty-two billion, two hundred twenty-one million, five hundred fifty thousand, three hundred twenty".