40261504 has 16 divisors (see below), whose sum is σ = 80208720. Its totient is φ = 20130688.

The previous prime is 40261453. The next prime is 40261531. The reversal of 40261504 is 40516204.

It is a tau number, because it is divible by the number of its divisors (16).

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157144 + ... + 157399.

It is an arithmetic number, because the mean of its divisors is an integer number (5013045).

Almost surely, 2^40261504 is an apocalyptic number.

It is an amenable number.

40261504 is a deficient number, since it is larger than the sum of its proper divisors (39947216).

40261504 is an equidigital number, since it uses as much as digits as its factorization.

40261504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314557 (or 314545 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 40261504 is about 6345.1953476627. The cubic root of 40261504 is about 342.7388470198.

Adding to 40261504 its reverse (40516204), we get a palindrome (80777708).

The spelling of 40261504 in words is "forty million, two hundred sixty-one thousand, five hundred four".