40408805054 has 16 divisors (see below), whose sum is σ = 60833762880. Its totient is φ = 20130988320.

The previous prime is 40408805011. The next prime is 40408805077. The reversal of 40408805054 is 45050880404.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40408804999 and 40408805017.

It is a congruent number.

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, 772139 + ... + 822809.

It is an arithmetic number, because the mean of its divisors is an integer number (3802110180).

Almost surely, 2^40408805054 is an apocalyptic number.

40408805054 is a deficient number, since it is larger than the sum of its proper divisors (20424957826).

40408805054 is a wasteful number, since it uses less digits than its factorization.

40408805054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52115.

The product of its (nonzero) digits is 102400, while the sum is 38.

The spelling of 40408805054 in words is "forty billion, four hundred eight million, eight hundred five thousand, fifty-four".