1838040735 has 16 divisors (see below), whose sum is σ = 3042275040. Its totient is φ = 946485120.

The previous prime is 1838040713. The next prime is 1838040739. The reversal of 1838040735 is 5370408381.

It is not a de Polignac number, because 1838040735 - 2⁶ = 1838040671 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1838040693 and 1838040702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1838040739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2112256 + ... + 2113125.

It is an arithmetic number, because the mean of its divisors is an integer number (190142190).

Almost surely, 2^1838040735 is an apocalyptic number.

1838040735 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1838040735 is a deficient number, since it is larger than the sum of its proper divisors (1204234305).

1838040735 is a wasteful number, since it uses less digits than its factorization.

1838040735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4225418.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 1838040735 is about 42872.3772958767. The cubic root of 1838040735 is about 1224.9500432217.

The spelling of 1838040735 in words is "one billion, eight hundred thirty-eight million, forty thousand, seven hundred thirty-five".