40209754 has 16 divisors (see below), whose sum is σ = 65126880. Its totient is φ = 18509040.

The previous prime is 40209751. The next prime is 40209761. The reversal of 40209754 is 45790204.

40209754 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (40209751) 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 7 ways as a sum of consecutive naturals, for example, 9049 + ... + 12739.

It is an arithmetic number, because the mean of its divisors is an integer number (4070430).

Almost surely, 2^40209754 is an apocalyptic number.

40209754 is a deficient number, since it is larger than the sum of its proper divisors (24917126).

40209754 is a wasteful number, since it uses less digits than its factorization.

40209754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4125.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 40209754 is about 6341.1161478087. The cubic root of 40209754 is about 342.5919379521.

Adding to 40209754 its reverse (45790204), we get a palindrome (85999958).

The spelling of 40209754 in words is "forty million, two hundred nine thousand, seven hundred fifty-four".