40254346635 has 8 divisors (see below), whose sum is σ = 64406954640. Its totient is φ = 21468984864.

The previous prime is 40254346619. The next prime is 40254346669. The reversal of 40254346635 is 53664345204.

It is a happy number.

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

It is not a de Polignac number, because 40254346635 - 2⁴ = 40254346619 is a prime.

It is an unprimeable number.

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, 1341811540 + ... + 1341811569.

It is an arithmetic number, because the mean of its divisors is an integer number (8050869330).

Almost surely, 2^40254346635 is an apocalyptic number.

40254346635 is a deficient number, since it is larger than the sum of its proper divisors (24152608005).

40254346635 is a wasteful number, since it uses less digits than its factorization.

40254346635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2683623117.

The product of its (nonzero) digits is 1036800, while the sum is 42.

The spelling of 40254346635 in words is "forty billion, two hundred fifty-four million, three hundred forty-six thousand, six hundred thirty-five".