1838540754 has 20 divisors (see below), whose sum is σ = 4119693534. Its totient is φ = 612846864.

The previous prime is 1838540707. The next prime is 1838540761. The reversal of 1838540754 is 4570458381.

1838540754 is a `hidden beast` number, since 1 + 8 + 38 + 540 + 75 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1825254729 + 13286025 = 42723^2 + 3645^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5674347 + ... + 5674670.

Almost surely, 2^1838540754 is an apocalyptic number.

1838540754 is an abundant number, since it is smaller than the sum of its proper divisors (2281152780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1838540754 is a wasteful number, since it uses less digits than its factorization.

1838540754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11349031 (or 11349022 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The square root of 1838540754 is about 42878.2083814144. The cubic root of 1838540754 is about 1225.0611112648.

The spelling of 1838540754 in words is "one billion, eight hundred thirty-eight million, five hundred forty thousand, seven hundred fifty-four".