42049968 has 20 divisors (see below), whose sum is σ = 108629208. Its totient is φ = 14016640.

The previous prime is 42049967. The next prime is 42049991. The reversal of 42049968 is 86994024.

It is not an unprimeable number, because it can be changed into a prime (42049967) 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, 437973 + ... + 438068.

Almost surely, 2^42049968 is an apocalyptic number.

42049968 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

42049968 is an abundant number, since it is smaller than the sum of its proper divisors (66579240).

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

42049968 is a wasteful number, since it uses less digits than its factorization.

42049968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876052 (or 876046 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 42049968 is about 6484.5946673636. The cubic root of 42049968 is about 347.7404591429.

The spelling of 42049968 in words is "forty-two million, forty-nine thousand, nine hundred sixty-eight".