40468493857 has 16 divisors (see below), whose sum is σ = 45250075584. Its totient is φ = 35881560000.

The previous prime is 40468493843. The next prime is 40468493869. The reversal of 40468493857 is 75839486404.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-40468493857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40468497857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197394 + ... + 346267.

It is an arithmetic number, because the mean of its divisors is an integer number (2828129724).

Almost surely, 2^40468493857 is an apocalyptic number.

It is an amenable number.

40468493857 is a deficient number, since it is larger than the sum of its proper divisors (4781581727).

40468493857 is a wasteful number, since it uses less digits than its factorization.

40468493857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543840.

The product of its (nonzero) digits is 23224320, while the sum is 58.

The spelling of 40468493857 in words is "forty billion, four hundred sixty-eight million, four hundred ninety-three thousand, eight hundred fifty-seven".