40908553778 has 16 divisors (see below), whose sum is σ = 61814534400. Its totient is φ = 20304187200.

The previous prime is 40908553757. The next prime is 40908553787. The reversal of 40908553778 is 87735580904.

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, 52298 + ... + 290778.

It is an arithmetic number, because the mean of its divisors is an integer number (3863408400).

Almost surely, 2^40908553778 is an apocalyptic number.

40908553778 is a deficient number, since it is larger than the sum of its proper divisors (20905980622).

40908553778 is a wasteful number, since it uses less digits than its factorization.

40908553778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239113.

The product of its (nonzero) digits is 8467200, while the sum is 56.

The spelling of 40908553778 in words is "forty billion, nine hundred eight million, five hundred fifty-three thousand, seven hundred seventy-eight".