4040055405405 has 48 divisors (see below), whose sum is σ = 7414900833600. Its totient is φ = 2027891695104.

The previous prime is 4040055405401. The next prime is 4040055405431. The reversal of 4040055405405 is 5045045500404.

It is not a de Polignac number, because 4040055405405 - 2² = 4040055405401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4040055405405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4040055405401) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42887046 + ... + 42981144.

It is an arithmetic number, because the mean of its divisors is an integer number (154477100700).

Almost surely, 2^{4040055405405} is an apocalyptic number.

4040055405405 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4040055405405 is a deficient number, since it is larger than the sum of its proper divisors (3374845428195).

4040055405405 is a wasteful number, since it uses less digits than its factorization.

4040055405405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150250 (or 150247 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 36.

The spelling of 4040055405405 in words is "four trillion, forty billion, fifty-five million, four hundred five thousand, four hundred five".