1400328416 has 36 divisors (see below), whose sum is σ = 2783346048. Its totient is φ = 693467712.

The previous prime is 1400328409. The next prime is 1400328421. The reversal of 1400328416 is 6148230041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2385275 + ... + 2385861.

It is an arithmetic number, because the mean of its divisors is an integer number (77315168).

Almost surely, 2^1400328416 is an apocalyptic number.

1400328416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1400328416 is a deficient number, since it is larger than the sum of its proper divisors (1383017632).

1400328416 is an frugal number, since it uses more digits than its factorization.

1400328416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311 (or 716 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 1400328416 is about 37420.9622537957. The cubic root of 1400328416 is about 1118.7764103250.

Adding to 1400328416 its reverse (6148230041), we get a palindrome (7548558457).

The spelling of 1400328416 in words is "one billion, four hundred million, three hundred twenty-eight thousand, four hundred sixteen".