40154201 has 4 divisors (see below), whose sum is σ = 42267600. Its totient is φ = 38040804.

The previous prime is 40154189. The next prime is 40154203. The reversal of 40154201 is 10245104.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40154201 - 2⁶ = 40154137 is a prime.

It is a super-2 number, since 2×40154201² = 3224719715896802, which contains 22 as substring.

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 40154201.

It is not an unprimeable number, because it can be changed into a prime (40154203) 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, 1056671 + ... + 1056708.

It is an arithmetic number, because the mean of its divisors is an integer number (10566900).

Almost surely, 2^40154201 is an apocalyptic number.

It is an amenable number.

40154201 is a deficient number, since it is larger than the sum of its proper divisors (2113399).

40154201 is a wasteful number, since it uses less digits than its factorization.

40154201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2113398.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 40154201 is about 6336.7342535410. The cubic root of 40154201 is about 342.4340924916.

Adding to 40154201 its reverse (10245104), we get a palindrome (50399305).

The spelling of 40154201 in words is "forty million, one hundred fifty-four thousand, two hundred one".