3402138504555 has 96 divisors (see below), whose sum is σ = 6762412560384. Its totient is φ = 1549975730688.

The previous prime is 3402138504551. The next prime is 3402138504593. The reversal of 3402138504555 is 5554058312043.

It is a happy number.

3402138504555 is a `hidden beast` number, since 3 + 4 + 0 + 2 + 13 + 85 + 0 + 4 + 555 = 666.

3402138504555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3402138504555 - 2² = 3402138504551 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 3402138504555.

It is not an unprimeable number, because it can be changed into a prime (3402138504551) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 185768079 + ... + 185786391.

It is an arithmetic number, because the mean of its divisors is an integer number (70441797504).

Almost surely, 2^{3402138504555} is an apocalyptic number.

3402138504555 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3402138504555 is a deficient number, since it is larger than the sum of its proper divisors (3360274055829).

3402138504555 is a wasteful number, since it uses less digits than its factorization.

3402138504555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20305 (or 20302 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 45.

The spelling of 3402138504555 in words is "three trillion, four hundred two billion, one hundred thirty-eight million, five hundred four thousand, five hundred fifty-five".