40141047 has 16 divisors (see below), whose sum is σ = 54540000. Its totient is φ = 26256384.

The previous prime is 40141037. The next prime is 40141061. The reversal of 40141047 is 74014104.

It is not a de Polignac number, because 40141047 - 2⁶ = 40140983 is a prime.

It is a super-2 number, since 2×40141047² = 3222607308512418, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40141037) 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, 39279 + ... + 40287.

It is an arithmetic number, because the mean of its divisors is an integer number (3408750).

Almost surely, 2^40141047 is an apocalyptic number.

40141047 is a deficient number, since it is larger than the sum of its proper divisors (14398953).

40141047 is a wasteful number, since it uses less digits than its factorization.

40141047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250.

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 40141047 is about 6335.6962521889. The cubic root of 40141047 is about 342.3966960724.

The spelling of 40141047 in words is "forty million, one hundred forty-one thousand, forty-seven".