40671780 has 48 divisors (see below), whose sum is σ = 119878080. Its totient is φ = 10274688.

The previous prime is 40671773. The next prime is 40671793. The reversal of 40671780 is 8717604.

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 in 15 ways as a sum of consecutive naturals, for example, 16699 + ... + 18978.

It is an arithmetic number, because the mean of its divisors is an integer number (2497460).

Almost surely, 2^40671780 is an apocalyptic number.

It is an amenable number.

40671780 is an abundant number, since it is smaller than the sum of its proper divisors (79206300).

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

40671780 is a wasteful number, since it uses less digits than its factorization.

40671780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35708 (or 35706 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 40671780 is about 6377.4430612903. The cubic root of 40671780 is about 343.8991163518.

The spelling of 40671780 in words is "forty million, six hundred seventy-one thousand, seven hundred eighty".