40254204457 has 8 divisors (see below), whose sum is σ = 40747443776. Its totient is φ = 39762934992.

The previous prime is 40254204449. The next prime is 40254204467. The reversal of 40254204457 is 75440245204.

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

It is a cyclic number.

It is not a de Polignac number, because 40254204457 - 2³ = 40254204449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40254204467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 451323 + ... + 533104.

It is an arithmetic number, because the mean of its divisors is an integer number (5093430472).

Almost surely, 2^40254204457 is an apocalyptic number.

It is an amenable number.

40254204457 is a deficient number, since it is larger than the sum of its proper divisors (493239319).

40254204457 is a wasteful number, since it uses less digits than its factorization.

40254204457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984927.

The product of its (nonzero) digits is 179200, while the sum is 37.

The spelling of 40254204457 in words is "forty billion, two hundred fifty-four million, two hundred four thousand, four hundred fifty-seven".