42488394 has 16 divisors (see below), whose sum is σ = 91513632. Its totient is φ = 13073328.

The previous prime is 42488387. The next prime is 42488399. The reversal of 42488394 is 49388424.

It is not an unprimeable number, because it can be changed into a prime (42488399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272284 + ... + 272439.

It is an arithmetic number, because the mean of its divisors is an integer number (5719602).

Almost surely, 2^42488394 is an apocalyptic number.

42488394 is an abundant number, since it is smaller than the sum of its proper divisors (49025238).

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

42488394 is a wasteful number, since it uses less digits than its factorization.

42488394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544741.

The product of its digits is 221184, while the sum is 42.

The square root of 42488394 is about 6518.3122048579. The cubic root of 42488394 is about 348.9448330028.

The spelling of 42488394 in words is "forty-two million, four hundred eighty-eight thousand, three hundred ninety-four".