1350644540 has 48 divisors (see below), whose sum is σ = 3285976512. Its totient is φ = 456731136.

The previous prime is 1350644539. The next prime is 1350644551. The reversal of 1350644540 is 454460531.

It is a junction number, because it is equal to n+sod(n) for n = 1350644497 and 1350644506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55859 + ... + 76298.

It is an arithmetic number, because the mean of its divisors is an integer number (68457844).

Almost surely, 2^1350644540 is an apocalyptic number.

1350644540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1350644540 is an abundant number, since it is smaller than the sum of its proper divisors (1935331972).

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

1350644540 is a wasteful number, since it uses less digits than its factorization.

1350644540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132246 (or 132244 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 1350644540 is about 36751.1161735259. The cubic root of 1350644540 is about 1105.3853109158.

The spelling of 1350644540 in words is "one billion, three hundred fifty million, six hundred forty-four thousand, five hundred forty".