40205274 has 8 divisors (see below), whose sum is σ = 80410560. Its totient is φ = 13401756.

The previous prime is 40205267. The next prime is 40205299. The reversal of 40205274 is 47250204.

It is a sphenic number, since it is the product of 3 distinct primes.

40205274 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3350434 + ... + 3350445.

It is an arithmetic number, because the mean of its divisors is an integer number (10051320).

Almost surely, 2^40205274 is an apocalyptic number.

40205274 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40205274 is a wasteful number, since it uses less digits than its factorization.

40205274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6700884.

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 40205274 is about 6340.7628878551. The cubic root of 40205274 is about 342.5792141000.

Adding to 40205274 its reverse (47250204), we get a palindrome (87455478).

The spelling of 40205274 in words is "forty million, two hundred five thousand, two hundred seventy-four".