1380793770 has 32 divisors (see below), whose sum is σ = 3682117440. Its totient is φ = 368211600.

The previous prime is 1380793763. The next prime is 1380793801. The reversal of 1380793770 is 773970831.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 2556756 + ... + 2557295.

It is an arithmetic number, because the mean of its divisors is an integer number (115066170).

Almost surely, 2^1380793770 is an apocalyptic number.

1380793770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1380793770 is an abundant number, since it is smaller than the sum of its proper divisors (2301323670).

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

1380793770 is a wasteful number, since it uses less digits than its factorization.

1380793770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5114067 (or 5114061 counting only the distinct ones).

The product of its (nonzero) digits is 222264, while the sum is 45.

The square root of 1380793770 is about 37159.0334911983. The cubic root of 1380793770 is about 1113.5497026694.

The spelling of 1380793770 in words is "one billion, three hundred eighty million, seven hundred ninety-three thousand, seven hundred seventy".