42455274203 has 4 divisors (see below), whose sum is σ = 43088935080. Its totient is φ = 41821613328.

The previous prime is 42455274187. The next prime is 42455274259. The reversal of 42455274203 is 30247255424.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 42455274203 - 2⁴ = 42455274187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42455279203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 316830338 + ... + 316830471.

It is an arithmetic number, because the mean of its divisors is an integer number (10772233770).

Almost surely, 2^42455274203 is an apocalyptic number.

42455274203 is a deficient number, since it is larger than the sum of its proper divisors (633660877).

42455274203 is an equidigital number, since it uses as much as digits as its factorization.

42455274203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633660876.

The product of its (nonzero) digits is 268800, while the sum is 38.

The spelling of 42455274203 in words is "forty-two billion, four hundred fifty-five million, two hundred seventy-four thousand, two hundred three".