1395773330 has 80 divisors (see below), whose sum is σ = 2982123864. Its totient is φ = 470211840.

The previous prime is 1395773329. The next prime is 1395773333. The reversal of 1395773330 is 333775931.

It can be written as a sum of positive squares in 4 ways, for example, as 666827329 + 728946001 = 25823^2 + 26999^2 .

It is not an unprimeable number, because it can be changed into a prime (1395773333) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1464134 + ... + 1465086.

Almost surely, 2^1395773330 is an apocalyptic number.

1395773330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1395773330 is an abundant number, since it is smaller than the sum of its proper divisors (1586350534).

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

1395773330 is an frugal number, since it uses more digits than its factorization.

1395773330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049 (or 1028 counting only the distinct ones).

The product of its (nonzero) digits is 178605, while the sum is 41.

The square root of 1395773330 is about 37360.0499196669. The cubic root of 1395773330 is about 1117.5620146191.

The spelling of 1395773330 in words is "one billion, three hundred ninety-five million, seven hundred seventy-three thousand, three hundred thirty".