1380823955 has 48 divisors (see below), whose sum is σ = 2042622720. Its totient is φ = 875375424.

The previous prime is 1380823943. The next prime is 1380823967. The reversal of 1380823955 is 5593280831.

It is an interprime number because it is at equal distance from previous prime (1380823943) and next prime (1380823967).

It is not a de Polignac number, because 1380823955 - 2⁶ = 1380823891 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1229024 + ... + 1230146.

It is an arithmetic number, because the mean of its divisors is an integer number (42554640).

Almost surely, 2^1380823955 is an apocalyptic number.

1380823955 is a deficient number, since it is larger than the sum of its proper divisors (661798765).

1380823955 is a wasteful number, since it uses less digits than its factorization.

1380823955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240 (or 1197 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 44.

The square root of 1380823955 is about 37159.4396486276. The cubic root of 1380823955 is about 1113.5578169038.

The spelling of 1380823955 in words is "one billion, three hundred eighty million, eight hundred twenty-three thousand, nine hundred fifty-five".