40004462 has 16 divisors (see below), whose sum is σ = 63398160. Its totient is φ = 18879552.

The previous prime is 40004413. The next prime is 40004467. The reversal of 40004462 is 26440004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40004467) 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, 9338 + ... + 12930.

It is an arithmetic number, because the mean of its divisors is an integer number (3962385).

Almost surely, 2^40004462 is an apocalyptic number.

40004462 is a deficient number, since it is larger than the sum of its proper divisors (23393698).

40004462 is a wasteful number, since it uses less digits than its factorization.

40004462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3907.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 40004462 is about 6324.9080625729. The cubic root of 40004462 is about 342.0079053836.

Adding to 40004462 its reverse (26440004), we get a palindrome (66444466).

The spelling of 40004462 in words is "forty million, four thousand, four hundred sixty-two".