40998384 has 120 divisors (see below), whose sum is σ = 132893280. Its totient is φ = 11556864.

The previous prime is 40998359. The next prime is 40998389. The reversal of 40998384 is 48389904.

It is a happy number.

40998384 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40998384² = 3361734981222912, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40998389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89484 + ... + 89940.

It is an arithmetic number, because the mean of its divisors is an integer number (1107444).

Almost surely, 2^40998384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40998384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66446640).

40998384 is an abundant number, since it is smaller than the sum of its proper divisors (91894896).

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

40998384 is a wasteful number, since it uses less digits than its factorization.

40998384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567 (or 558 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 40998384 is about 6402.9980477898. The cubic root of 40998384 is about 344.8171936381.

The spelling of 40998384 in words is "forty million, nine hundred ninety-eight thousand, three hundred eighty-four".