40154051 has 16 divisors (see below), whose sum is σ = 48812544. Its totient is φ = 32244864.

The previous prime is 40154039. The next prime is 40154053. The reversal of 40154051 is 15045104.

40154051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 40154051 - 2¹⁰ = 40153027 is a prime.

It is a super-2 number, since 2×40154051² = 3224695623421202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40154053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30656 + ... + 31938.

It is an arithmetic number, because the mean of its divisors is an integer number (3050784).

Almost surely, 2^40154051 is an apocalyptic number.

40154051 is a deficient number, since it is larger than the sum of its proper divisors (8658493).

40154051 is a wasteful number, since it uses less digits than its factorization.

40154051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1570.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 40154051 is about 6336.7224177803. The cubic root of 40154051 is about 342.4336660922.

Adding to 40154051 its reverse (15045104), we get a palindrome (55199155).

The spelling of 40154051 in words is "forty million, one hundred fifty-four thousand, fifty-one".