40712571 has 16 divisors (see below), whose sum is σ = 61081600. Its totient is φ = 26796744.

The previous prime is 40712557. The next prime is 40712597. The reversal of 40712571 is 17521704.

40712571 is a `hidden beast` number, since 407 + 1 + 257 + 1 = 666.

It is not a de Polignac number, because 40712571 - 2¹³ = 40704379 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40712531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7411 + ... + 11676.

It is an arithmetic number, because the mean of its divisors is an integer number (3817600).

Almost surely, 2^40712571 is an apocalyptic number.

40712571 is a deficient number, since it is larger than the sum of its proper divisors (20369029).

40712571 is a wasteful number, since it uses less digits than its factorization.

40712571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19175 (or 19169 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 40712571 is about 6380.6403283683. The cubic root of 40712571 is about 344.0140469972.

The spelling of 40712571 in words is "forty million, seven hundred twelve thousand, five hundred seventy-one".