40278104 has 8 divisors (see below), whose sum is σ = 75521460. Its totient is φ = 20139048.

The previous prime is 40278103. The next prime is 40278109. The reversal of 40278104 is 40187204.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40278101) 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 as a sum of consecutive naturals, namely, 2517374 + ... + 2517389.

Almost surely, 2^40278104 is an apocalyptic number.

It is an amenable number.

40278104 is a deficient number, since it is larger than the sum of its proper divisors (35243356).

40278104 is a wasteful number, since it uses less digits than its factorization.

40278104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5034769 (or 5034765 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 40278104 is about 6346.5032892137. The cubic root of 40278104 is about 342.7859448059.

The spelling of 40278104 in words is "forty million, two hundred seventy-eight thousand, one hundred four".