40442877 has 12 divisors (see below), whose sum is σ = 58653504. Its totient is φ = 26853000.

The previous prime is 40442873. The next prime is 40442903. The reversal of 40442877 is 77824404.

It is not a de Polignac number, because 40442877 - 2² = 40442873 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40442873) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6693 + ... + 11210.

It is an arithmetic number, because the mean of its divisors is an integer number (4887792).

Almost surely, 2^40442877 is an apocalyptic number.

It is an amenable number.

40442877 is a deficient number, since it is larger than the sum of its proper divisors (18210627).

40442877 is a wasteful number, since it uses less digits than its factorization.

40442877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18160 (or 18157 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 36.

The square root of 40442877 is about 6359.4714403007. The cubic root of 40442877 is about 343.2527412140.

The spelling of 40442877 in words is "forty million, four hundred forty-two thousand, eight hundred seventy-seven".