40871051 has 16 divisors (see below), whose sum is σ = 46679808. Its totient is φ = 35510400.

The previous prime is 40871029. The next prime is 40871081. The reversal of 40871051 is 15017804.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40871051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40871051.

It is not an unprimeable number, because it can be changed into a prime (40871081) 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, 13541 + ... + 16281.

It is an arithmetic number, because the mean of its divisors is an integer number (2917488).

Almost surely, 2^40871051 is an apocalyptic number.

40871051 is a deficient number, since it is larger than the sum of its proper divisors (5808757).

40871051 is a wasteful number, since it uses less digits than its factorization.

40871051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2822.

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 40871051 is about 6393.0470825734. The cubic root of 40871051 is about 344.4598450701.

Adding to 40871051 its reverse (15017804), we get a palindrome (55888855).

The spelling of 40871051 in words is "forty million, eight hundred seventy-one thousand, fifty-one".