1840338950 has 12 divisors (see below), whose sum is σ = 3423030540. Its totient is φ = 736135560.

The previous prime is 1840338937. The next prime is 1840338953. The reversal of 1840338950 is 598330481.

It is a junction number, because it is equal to n+sod(n) for n = 1840338898 and 1840338907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1840338953) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18403340 + ... + 18403439.

It is an arithmetic number, because the mean of its divisors is an integer number (285252545).

Almost surely, 2^1840338950 is an apocalyptic number.

1840338950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1840338950 is a deficient number, since it is larger than the sum of its proper divisors (1582691590).

1840338950 is a wasteful number, since it uses less digits than its factorization.

1840338950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36806791 (or 36806786 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 1840338950 is about 42899.1719034296. The cubic root of 1840338950 is about 1225.4603739570.

The spelling of 1840338950 in words is "one billion, eight hundred forty million, three hundred thirty-eight thousand, nine hundred fifty".