42281954 has 64 divisors (see below), whose sum is σ = 81285120. Its totient is φ = 16200000.

The previous prime is 42281909. The next prime is 42281957. The reversal of 42281954 is 45918224.

It is not an unprimeable number, because it can be changed into a prime (42281957) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 168329 + ... + 168579.

It is an arithmetic number, because the mean of its divisors is an integer number (1270080).

Almost surely, 2^42281954 is an apocalyptic number.

42281954 is a deficient number, since it is larger than the sum of its proper divisors (39003166).

42281954 is a wasteful number, since it uses less digits than its factorization.

42281954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327.

The product of its digits is 23040, while the sum is 35.

The square root of 42281954 is about 6502.4575354246. The cubic root of 42281954 is about 348.3787713188.

The spelling of 42281954 in words is "forty-two million, two hundred eighty-one thousand, nine hundred fifty-four".