40298442 has 16 divisors (see below), whose sum is σ = 80691552. Its totient is φ = 13417040.

The previous prime is 40298417. The next prime is 40298443. The reversal of 40298442 is 24489204.

It is not an unprimeable number, because it can be changed into a prime (40298443) 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, 2368 + ... + 9284.

It is an arithmetic number, because the mean of its divisors is an integer number (5043222).

Almost surely, 2^40298442 is an apocalyptic number.

40298442 is an abundant number, since it is smaller than the sum of its proper divisors (40393110).

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

40298442 is a wasteful number, since it uses less digits than its factorization.

40298442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7893.

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 40298442 is about 6348.1053866488. The cubic root of 40298442 is about 342.8436304695.

The spelling of 40298442 in words is "forty million, two hundred ninety-eight thousand, four hundred forty-two".