1949490366 has 48 divisors (see below), whose sum is σ = 4051440000. Its totient is φ = 625339440.

The previous prime is 1949490359. The next prime is 1949490371. The reversal of 1949490366 is 6630949491.

It is a congruent number.

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, 1146585 + ... + 1148283.

It is an arithmetic number, because the mean of its divisors is an integer number (84405000).

Almost surely, 2^1949490366 is an apocalyptic number.

1949490366 is an abundant number, since it is smaller than the sum of its proper divisors (2101949634).

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

1949490366 is a wasteful number, since it uses less digits than its factorization.

1949490366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1965 (or 1934 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 51.

The square root of 1949490366 is about 44153.0334858207. The cubic root of 1949490366 is about 1249.2241299335.

The spelling of 1949490366 in words is "one billion, nine hundred forty-nine million, four hundred ninety thousand, three hundred sixty-six".