1779940016 has 10 divisors (see below), whose sum is σ = 3448633812. Its totient is φ = 889970000.

The previous prime is 1779940003. The next prime is 1779940027. The reversal of 1779940016 is 6100499771.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55623110 + ... + 55623141.

Almost surely, 2^1779940016 is an apocalyptic number.

1779940016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1779940016 is a deficient number, since it is larger than the sum of its proper divisors (1668693796).

1779940016 is a wasteful number, since it uses less digits than its factorization.

1779940016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111246259 (or 111246253 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 44.

The square root of 1779940016 is about 42189.3353348924. The cubic root of 1779940016 is about 1211.9046605251.

The spelling of 1779940016 in words is "one billion, seven hundred seventy-nine million, nine hundred forty thousand, sixteen".