1838056455 has 40 divisors (see below), whose sum is σ = 3309566832. Its totient is φ = 975929472.

The previous prime is 1838056421. The next prime is 1838056459. The reversal of 1838056455 is 5546508381.

1838056455 is a `hidden beast` number, since 1 + 8 + 3 + 80 + 564 + 5 + 5 = 666.

It is not a de Polignac number, because 1838056455 - 2¹⁸ = 1837794311 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 1838056455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1838056459) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 81939 + ... + 101931.

Almost surely, 2^1838056455 is an apocalyptic number.

1838056455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1838056455 is a deficient number, since it is larger than the sum of its proper divisors (1471510377).

1838056455 is a wasteful number, since it uses less digits than its factorization.

1838056455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20237 (or 20228 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 45.

The square root of 1838056455 is about 42872.5606303146. The cubic root of 1838056455 is about 1224.9535353749.

The spelling of 1838056455 in words is "one billion, eight hundred thirty-eight million, fifty-six thousand, four hundred fifty-five".