40104154 has 4 divisors (see below), whose sum is σ = 60156234. Its totient is φ = 20052076.

The previous prime is 40104149. The next prime is 40104161. The reversal of 40104154 is 45140104.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 30636225 + 9467929 = 5535^2 + 3077^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10026037 + ... + 10026040.

Almost surely, 2^40104154 is an apocalyptic number.

40104154 is a deficient number, since it is larger than the sum of its proper divisors (20052080).

40104154 is a wasteful number, since it uses less digits than its factorization.

40104154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20052079.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 40104154 is about 6332.7840639011. The cubic root of 40104154 is about 342.2917667943.

Adding to 40104154 its reverse (45140104), we get a palindrome (85244258).

The spelling of 40104154 in words is "forty million, one hundred four thousand, one hundred fifty-four".