40200154 has 8 divisors (see below), whose sum is σ = 60327540. Its totient is φ = 20090976.

The previous prime is 40200133. The next prime is 40200157. The reversal of 40200154 is 45100204.

It can be written as a sum of positive squares in 2 ways, for example, as 29408929 + 10791225 = 5423^2 + 3285^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (40200157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4872 + ... + 10204.

Almost surely, 2^40200154 is an apocalyptic number.

40200154 is a deficient number, since it is larger than the sum of its proper divisors (20127386).

40200154 is a wasteful number, since it uses less digits than its factorization.

40200154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9104.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 40200154 is about 6340.3591380930. The cubic root of 40200154 is about 342.5646713974.

Adding to 40200154 its reverse (45100204), we get a palindrome (85300358).

The spelling of 40200154 in words is "forty million, two hundred thousand, one hundred fifty-four".