40571772 has 12 divisors (see below), whose sum is σ = 94667496. Its totient is φ = 13523920.

The previous prime is 40571761. The next prime is 40571813. The reversal of 40571772 is 27717504.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1690479 + ... + 1690502.

It is an arithmetic number, because the mean of its divisors is an integer number (7888958).

Almost surely, 2^40571772 is an apocalyptic number.

It is an amenable number.

40571772 is an abundant number, since it is smaller than the sum of its proper divisors (54095724).

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

40571772 is a wasteful number, since it uses less digits than its factorization.

40571772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3380988 (or 3380986 counting only the distinct ones).

The product of its (nonzero) digits is 13720, while the sum is 33.

The square root of 40571772 is about 6369.5974755082. The cubic root of 40571772 is about 343.6170133735.

The spelling of 40571772 in words is "forty million, five hundred seventy-one thousand, seven hundred seventy-two".