42352220457 has 12 divisors (see below), whose sum is σ = 61235360004. Its totient is φ = 28207153440.

The previous prime is 42352220441. The next prime is 42352220461. The reversal of 42352220457 is 75402225324.

42352220457 is a `hidden beast` number, since 42 + 352 + 220 + 45 + 7 = 666.

42352220457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 18303654681 + 24048565776 = 135291^2 + 155076^2 .

It is not a de Polignac number, because 42352220457 - 2⁴ = 42352220441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42356220457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2295318 + ... + 2313695.

It is an arithmetic number, because the mean of its divisors is an integer number (5102946667).

Almost surely, 2^42352220457 is an apocalyptic number.

It is an amenable number.

42352220457 is a deficient number, since it is larger than the sum of its proper divisors (18883139547).

42352220457 is a wasteful number, since it uses less digits than its factorization.

42352220457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4610040 (or 4610037 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 36.

The spelling of 42352220457 in words is "forty-two billion, three hundred fifty-two million, two hundred twenty thousand, four hundred fifty-seven".