40571672 has 16 divisors (see below), whose sum is σ = 77144400. Its totient is φ = 19999840.

The previous prime is 40571621. The next prime is 40571677. The reversal of 40571672 is 27617504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40571677) 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 in 3 ways as a sum of consecutive naturals, for example, 35147 + ... + 36282.

It is an arithmetic number, because the mean of its divisors is an integer number (4821525).

Almost surely, 2^40571672 is an apocalyptic number.

It is an amenable number.

40571672 is a deficient number, since it is larger than the sum of its proper divisors (36572728).

40571672 is a wasteful number, since it uses less digits than its factorization.

40571672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71506 (or 71502 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 40571672 is about 6369.5896257137. The cubic root of 40571672 is about 343.6167310612.

The spelling of 40571672 in words is "forty million, five hundred seventy-one thousand, six hundred seventy-two".