40571642 has 8 divisors (see below), whose sum is σ = 60901536. Its totient is φ = 20271132.

The previous prime is 40571621. The next prime is 40571677. The reversal of 40571642 is 24617504.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 3488 + ... + 9659.

It is an arithmetic number, because the mean of its divisors is an integer number (7612692).

Almost surely, 2^40571642 is an apocalyptic number.

40571642 is a deficient number, since it is larger than the sum of its proper divisors (20329894).

40571642 is a wasteful number, since it uses less digits than its factorization.

40571642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14692.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 40571642 is about 6369.5872707735. The cubic root of 40571642 is about 343.6166463674.

The spelling of 40571642 in words is "forty million, five hundred seventy-one thousand, six hundred forty-two".