1930242240 has 84 divisors (see below), whose sum is σ = 6639238944. Its totient is φ = 514730496.

The previous prime is 1930242221. The next prime is 1930242253. The reversal of 1930242240 is 422420391.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 332232 + ... + 337991.

Almost surely, 2^1930242240 is an apocalyptic number.

1930242240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1930242240 is an abundant number, since it is smaller than the sum of its proper divisors (4708996704).

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

1930242240 is a wasteful number, since it uses less digits than its factorization.

1930242240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670246 (or 670233 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 1930242240 is about 43934.5221892762. The cubic root of 1930242240 is about 1245.0991550196.

The spelling of 1930242240 in words is "one billion, nine hundred thirty million, two hundred forty-two thousand, two hundred forty".