42341920 has 24 divisors (see below), whose sum is σ = 100033164. Its totient is φ = 16936704.

The previous prime is 42341903. The next prime is 42341921. The reversal of 42341920 is 2914324.

It can be written as a sum of positive squares in 2 ways, for example, as 39087504 + 3254416 = 6252^2 + 1804^2 .

It is not an unprimeable number, because it can be changed into a prime (42341921) 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, 132159 + ... + 132478.

Almost surely, 2^42341920 is an apocalyptic number.

42341920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42341920 is an abundant number, since it is smaller than the sum of its proper divisors (57691244).

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

42341920 is a wasteful number, since it uses less digits than its factorization.

42341920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264652 (or 264644 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 42341920 is about 6507.0669275796. The cubic root of 42341920 is about 348.5433885380.

The spelling of 42341920 in words is "forty-two million, three hundred forty-one thousand, nine hundred twenty".