40571760 has 40 divisors (see below), whose sum is σ = 125773200. Its totient is φ = 10819072.

The previous prime is 40571749. The next prime is 40571761. The reversal of 40571760 is 6717504.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40571761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84285 + ... + 84764.

It is an arithmetic number, because the mean of its divisors is an integer number (3144330).

Almost surely, 2^40571760 is an apocalyptic number.

40571760 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40571760 is an abundant number, since it is smaller than the sum of its proper divisors (85201440).

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

40571760 is a wasteful number, since it uses less digits than its factorization.

40571760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169065 (or 169059 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 40571760 is about 6369.5965335333. The cubic root of 40571760 is about 343.6169794961.

The spelling of 40571760 in words is "forty million, five hundred seventy-one thousand, seven hundred sixty".