40105510856842 has 16 divisors (see below), whose sum is σ = 60917377165632. Its totient is φ = 19800840584160.

The previous prime is 40105510856833. The next prime is 40105510856911. The reversal of 40105510856842 is 24865801550104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280457259 + ... + 280600222.

It is an arithmetic number, because the mean of its divisors is an integer number (3807336072852).

Almost surely, 2^{40105510856842} is an apocalyptic number.

40105510856842 is a deficient number, since it is larger than the sum of its proper divisors (20811866308790).

40105510856842 is a wasteful number, since it uses less digits than its factorization.

40105510856842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561057933.

The product of its (nonzero) digits is 1536000, while the sum is 49.

The spelling of 40105510856842 in words is "forty trillion, one hundred five billion, five hundred ten million, eight hundred fifty-six thousand, eight hundred forty-two".