40729254 has 16 divisors (see below), whose sum is σ = 81979248. Its totient is φ = 13489632.

The previous prime is 40729243. The next prime is 40729259. The reversal of 40729254 is 45292704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40729259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20677 + ... + 22560.

It is an arithmetic number, because the mean of its divisors is an integer number (5123703).

Almost surely, 2^40729254 is an apocalyptic number.

40729254 is an abundant number, since it is smaller than the sum of its proper divisors (41249994).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40729254 is a wasteful number, since it uses less digits than its factorization.

40729254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43399.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 40729254 is about 6381.9475084021. The cubic root of 40729254 is about 344.0610300498.

The spelling of 40729254 in words is "forty million, seven hundred twenty-nine thousand, two hundred fifty-four".