1399046044 has 24 divisors (see below), whose sum is σ = 2692989936. Its totient is φ = 635927600.

The previous prime is 1399046029. The next prime is 1399046081. The reversal of 1399046044 is 4406409931.

It is a junction number, because it is equal to n+sod(n) for n = 1399045988 and 1399046006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126067 + ... + 136714.

It is an arithmetic number, because the mean of its divisors is an integer number (112207914).

Almost surely, 2^1399046044 is an apocalyptic number.

It is an amenable number.

1399046044 is a deficient number, since it is larger than the sum of its proper divisors (1293943892).

1399046044 is a wasteful number, since it uses less digits than its factorization.

1399046044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262818 (or 262794 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 1399046044 is about 37403.8239221607. The cubic root of 1399046044 is about 1118.4347938644.

The spelling of 1399046044 in words is "one billion, three hundred ninety-nine million, forty-six thousand, forty-four".