40673808 has 60 divisors (see below), whose sum is σ = 130094848. Its totient is φ = 11620800.

The previous prime is 40673807. The next prime is 40673819. The reversal of 40673808 is 80837604.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (40673807) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19168 + ... + 21183.

Almost surely, 2^40673808 is an apocalyptic number.

40673808 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

40673808 is an abundant number, since it is smaller than the sum of its proper divisors (89421040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40673808 is a wasteful number, since it uses less digits than its factorization.

40673808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40372 (or 40363 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 40673808 is about 6377.6020571999. The cubic root of 40673808 is about 343.9048321562.

It can be divided in two parts, 4067 and 3808, that added together give a triangular number (7875 = T₁₂₅).

The spelling of 40673808 in words is "forty million, six hundred seventy-three thousand, eight hundred eight".