40504190 has 16 divisors (see below), whose sum is σ = 74284128. Its totient is φ = 15895776.

The previous prime is 40504171. The next prime is 40504201. The reversal of 40504190 is 9140504.

It is a happy number.

It is a super-2 number, since 2×40504190² = 3281178815112200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37682 + ... + 38741.

It is an arithmetic number, because the mean of its divisors is an integer number (4642758).

Almost surely, 2^40504190 is an apocalyptic number.

40504190 is a deficient number, since it is larger than the sum of its proper divisors (33779938).

40504190 is a wasteful number, since it uses less digits than its factorization.

40504190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76483.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 40504190 is about 6364.2902196553. The cubic root of 40504190 is about 343.4261152037.

Adding to 40504190 its reverse (9140504), we get a palindrome (49644694).

The spelling of 40504190 in words is "forty million, five hundred four thousand, one hundred ninety".