40220517254 has 8 divisors (see below), whose sum is σ = 60441071448. Its totient is φ = 20073493440.

The previous prime is 40220517217. The next prime is 40220517263. The reversal of 40220517254 is 45271502204.

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

It is a self number, because there is not a number n which added to its sum of digits gives 40220517254.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18381227 + ... + 18383414.

It is an arithmetic number, because the mean of its divisors is an integer number (7555133931).

Almost surely, 2^40220517254 is an apocalyptic number.

40220517254 is a deficient number, since it is larger than the sum of its proper divisors (20220554194).

40220517254 is a wasteful number, since it uses less digits than its factorization.

40220517254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36765190.

The product of its (nonzero) digits is 22400, while the sum is 32.

The spelling of 40220517254 in words is "forty billion, two hundred twenty million, five hundred seventeen thousand, two hundred fifty-four".