40678472 has 8 divisors (see below), whose sum is σ = 76272150. Its totient is φ = 20339232.

The previous prime is 40678459. The next prime is 40678499. The reversal of 40678472 is 27487604.

It can be written as a sum of positive squares in only one way, i.e., 28665316 + 12013156 = 5354^2 + 3466^2 .

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

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, 2542397 + ... + 2542412.

Almost surely, 2^40678472 is an apocalyptic number.

It is an amenable number.

40678472 is a deficient number, since it is larger than the sum of its proper divisors (35593678).

40678472 is a wasteful number, since it uses less digits than its factorization.

40678472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5084815 (or 5084811 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 38.

The square root of 40678472 is about 6377.9677013920. The cubic root of 40678472 is about 343.9179766581.

The spelling of 40678472 in words is "forty million, six hundred seventy-eight thousand, four hundred seventy-two".