40041792 has 84 divisors (see below), whose sum is σ = 131181856. Its totient is φ = 11439360.

The previous prime is 40041769. The next prime is 40041809. The reversal of 40041792 is 29714004.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (84).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 934 + ... + 8997.

Almost surely, 2^40041792 is an apocalyptic number.

40041792 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40041792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65590928).

40041792 is an abundant number, since it is smaller than the sum of its proper divisors (91140064).

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

40041792 is a wasteful number, since it uses less digits than its factorization.

40041792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9956 (or 9943 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 40041792 is about 6327.8584054955. The cubic root of 40041792 is about 342.1142534035.

Adding to 40041792 its reverse (29714004), we get a palindrome (69755796).

The spelling of 40041792 in words is "forty million, forty-one thousand, seven hundred ninety-two".