1945046336 has 28 divisors (see below), whose sum is σ = 4027517472. Its totient is φ = 930238848.

The previous prime is 1945046329. The next prime is 1945046351. The reversal of 1945046336 is 6336405491.

It is a junction number, because it is equal to n+sod(n) for n = 1945046293 and 1945046302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 659210 + ... + 662153.

Almost surely, 2^1945046336 is an apocalyptic number.

1945046336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1945046336 is an abundant number, since it is smaller than the sum of its proper divisors (2082471136).

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

1945046336 is a wasteful number, since it uses less digits than its factorization.

1945046336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321398 (or 1321388 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 41.

The square root of 1945046336 is about 44102.6794650847. The cubic root of 1945046336 is about 1248.2741699852.

The spelling of 1945046336 in words is "one billion, nine hundred forty-five million, forty-six thousand, three hundred thirty-six".