1335640740 has 96 divisors (see below), whose sum is σ = 4278892800. Its totient is φ = 304943616.

The previous prime is 1335640729. The next prime is 1335640741. The reversal of 1335640740 is 470465331.

1335640740 is digitally balanced in base 6, 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 (1335640741) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 649554 + ... + 651606.

It is an arithmetic number, because the mean of its divisors is an integer number (44571800).

Almost surely, 2^1335640740 is an apocalyptic number.

1335640740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1335640740 is an abundant number, since it is smaller than the sum of its proper divisors (2943252060).

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

1335640740 is a wasteful number, since it uses less digits than its factorization.

1335640740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3621 (or 3619 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 1335640740 is about 36546.4189764196. The cubic root of 1335640740 is about 1101.2769578148.

The spelling of 1335640740 in words is "one billion, three hundred thirty-five million, six hundred forty thousand, seven hundred forty".