40671654 has 16 divisors (see below), whose sum is σ = 81408000. Its totient is φ = 13546440.

The previous prime is 40671643. The next prime is 40671671. The reversal of 40671654 is 45617604.

40671654 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10299 + ... + 13689.

It is an arithmetic number, because the mean of its divisors is an integer number (5088000).

Almost surely, 2^40671654 is an apocalyptic number.

40671654 is an abundant number, since it is smaller than the sum of its proper divisors (40736346).

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

40671654 is a wasteful number, since it uses less digits than its factorization.

40671654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5395.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 40671654 is about 6377.4331827154. The cubic root of 40671654 is about 343.8987612216.

The spelling of 40671654 in words is "forty million, six hundred seventy-one thousand, six hundred fifty-four".