40149435 has 16 divisors (see below), whose sum is σ = 65145600. Its totient is φ = 21110880.

The previous prime is 40149409. The next prime is 40149437. The reversal of 40149435 is 53494104.

40149435 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40149435 - 2⁹ = 40148923 is a prime.

It is a super-2 number, since 2×40149435² = 3223954261638450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40149437) 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, 17785 + ... + 19914.

It is an arithmetic number, because the mean of its divisors is an integer number (4071600).

Almost surely, 2^40149435 is an apocalyptic number.

40149435 is a deficient number, since it is larger than the sum of its proper divisors (24996165).

40149435 is a wasteful number, since it uses less digits than its factorization.

40149435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37778.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 40149435 is about 6336.3581811637. The cubic root of 40149435 is about 342.4205438432.

The spelling of 40149435 in words is "forty million, one hundred forty-nine thousand, four hundred thirty-five".