40433404 has 24 divisors (see below), whose sum is σ = 77354928. Its totient is φ = 18339840.

The previous prime is 40433401. The next prime is 40433443.

It is a happy number.

40433404 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40433401) 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, 34492 + ... + 35644.

It is an arithmetic number, because the mean of its divisors is an integer number (3223122).

Almost surely, 2^40433404 is an apocalyptic number.

40433404 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40433404 is a deficient number, since it is larger than the sum of its proper divisors (36921524).

40433404 is a wasteful number, since it uses less digits than its factorization.

40433404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1965 (or 1963 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 40433404 is about 6358.7266020800. The cubic root of 40433404 is about 343.2259389077.

It can be divided in two parts, 4043 and 3404, that added together give a palindrome (7447).

The spelling of 40433404 in words is "forty million, four hundred thirty-three thousand, four hundred four".