40443792 has 40 divisors (see below), whose sum is σ = 106258080. Its totient is φ = 13251840.

The previous prime is 40443791. The next prime is 40443839. The reversal of 40443792 is 29734404.

It is a super-2 number, since 2×40443792² = 3271400622678528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40443791) 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, 4309 + ... + 9972.

It is an arithmetic number, because the mean of its divisors is an integer number (2656452).

Almost surely, 2^40443792 is an apocalyptic number.

It is an amenable number.

40443792 is an abundant number, since it is smaller than the sum of its proper divisors (65814288).

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

40443792 is a wasteful number, since it uses less digits than its factorization.

40443792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14351 (or 14345 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 40443792 is about 6359.5433798348. The cubic root of 40443792 is about 343.2553298354.

The spelling of 40443792 in words is "forty million, four hundred forty-three thousand, seven hundred ninety-two".