40087604 has 12 divisors (see below), whose sum is σ = 70205604. Its totient is φ = 20028864.

The previous prime is 40087603. The next prime is 40087637. The reversal of 40087604 is 40678004.

It can be written as a sum of positive squares in 2 ways, for example, as 9859600 + 30228004 = 3140^2 + 5498^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40087601) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 4154 + ... + 9870.

It is an arithmetic number, because the mean of its divisors is an integer number (5850467).

Almost surely, 2^40087604 is an apocalyptic number.

It is an amenable number.

40087604 is a deficient number, since it is larger than the sum of its proper divisors (30118000).

40087604 is a wasteful number, since it uses less digits than its factorization.

40087604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7474 (or 7472 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 40087604 is about 6331.4772367908. The cubic root of 40087604 is about 342.2446751790.

The spelling of 40087604 in words is "forty million, eighty-seven thousand, six hundred four".