1380043401 has 32 divisors (see below), whose sum is σ = 2124195840. Its totient is φ = 788726400.

The previous prime is 1380043393. The next prime is 1380043403. The reversal of 1380043401 is 1043400831.

It is not a de Polignac number, because 1380043401 - 2³ = 1380043393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1380043403) 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, 41085 + ... + 66693.

It is an arithmetic number, because the mean of its divisors is an integer number (66381120).

Almost surely, 2^1380043401 is an apocalyptic number.

1380043401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1380043401 is a deficient number, since it is larger than the sum of its proper divisors (744152439).

1380043401 is a wasteful number, since it uses less digits than its factorization.

1380043401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25717.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1380043401 is about 37148.9353952438. The cubic root of 1380043401 is about 1113.3479528739.

The spelling of 1380043401 in words is "one billion, three hundred eighty million, forty-three thousand, four hundred one".