40104645 has 16 divisors (see below), whose sum is σ = 73334400. Its totient is φ = 18333504.

The previous prime is 40104613. The next prime is 40104653. The reversal of 40104645 is 54640104.

It is not a de Polignac number, because 40104645 - 2⁵ = 40104613 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190870 + ... + 191079.

It is an arithmetic number, because the mean of its divisors is an integer number (4583400).

Almost surely, 2^40104645 is an apocalyptic number.

It is an amenable number.

40104645 is a deficient number, since it is larger than the sum of its proper divisors (33229755).

40104645 is a wasteful number, since it uses less digits than its factorization.

40104645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381964.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 40104645 is about 6332.8228303025. The cubic root of 40104645 is about 342.2931636950.

Adding to 40104645 its reverse (54640104), we get a palindrome (94744749).

The spelling of 40104645 in words is "forty million, one hundred four thousand, six hundred forty-five".