1670239140 has 48 divisors (see below), whose sum is σ = 4790741760. Its totient is φ = 434533120.

The previous prime is 1670239057. The next prime is 1670239147. The reversal of 1670239140 is 419320761.

1670239140 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1670239147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 337020 + ... + 341939.

It is an arithmetic number, because the mean of its divisors is an integer number (99807120).

Almost surely, 2^1670239140 is an apocalyptic number.

1670239140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1670239140 is an abundant number, since it is smaller than the sum of its proper divisors (3120502620).

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

1670239140 is a wasteful number, since it uses less digits than its factorization.

1670239140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679012 (or 679010 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 1670239140 is about 40868.5593090826. The cubic root of 1670239140 is about 1186.4776240473.

The spelling of 1670239140 in words is "one billion, six hundred seventy million, two hundred thirty-nine thousand, one hundred forty".