42255801 has 12 divisors (see below), whose sum is σ = 69755712. Its totient is φ = 24146136.

The previous prime is 42255779. The next prime is 42255803. The reversal of 42255801 is 10855224.

It is a happy number.

It is not a de Polignac number, because 42255801 - 2¹¹ = 42253753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42255803) 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, 335301 + ... + 335426.

It is an arithmetic number, because the mean of its divisors is an integer number (5812976).

Almost surely, 2^42255801 is an apocalyptic number.

It is an amenable number.

42255801 is a deficient number, since it is larger than the sum of its proper divisors (27499911).

42255801 is a wasteful number, since it uses less digits than its factorization.

42255801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670740 (or 670737 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 42255801 is about 6500.4462154532. The cubic root of 42255801 is about 348.3069279883.

The spelling of 42255801 in words is "forty-two million, two hundred fifty-five thousand, eight hundred one".