40542104 has 8 divisors (see below), whose sum is σ = 76016460. Its totient is φ = 20271048.

The previous prime is 40542101. The next prime is 40542119. The reversal of 40542104 is 40124504.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40542101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2533874 + ... + 2533889.

Almost surely, 2^40542104 is an apocalyptic number.

It is an amenable number.

40542104 is a deficient number, since it is larger than the sum of its proper divisors (35474356).

40542104 is a wasteful number, since it uses less digits than its factorization.

40542104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5067769 (or 5067765 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 40542104 is about 6367.2681740288. The cubic root of 40542104 is about 343.5332366083.

Adding to 40542104 its reverse (40124504), we get a palindrome (80666608).

The spelling of 40542104 in words is "forty million, five hundred forty-two thousand, one hundred four".