1945618050 has 48 divisors (see below), whose sum is σ = 5079094560. Its totient is φ = 491523840.

The previous prime is 1945618049. The next prime is 1945618061. The reversal of 1945618050 is 508165491.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 338487 + ... + 344186.

It is an arithmetic number, because the mean of its divisors is an integer number (105814470).

Almost surely, 2^1945618050 is an apocalyptic number.

1945618050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1945618050 is an abundant number, since it is smaller than the sum of its proper divisors (3133476510).

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

1945618050 is a wasteful number, since it uses less digits than its factorization.

1945618050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682707 (or 682702 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 39.

The square root of 1945618050 is about 44109.1606131878. The cubic root of 1945618050 is about 1248.3964611435.

The spelling of 1945618050 in words is "one billion, nine hundred forty-five million, six hundred eighteen thousand, fifty".