1401472328 has 16 divisors (see below), whose sum is σ = 2718373500. Its totient is φ = 676572736.

The previous prime is 1401472313. The next prime is 1401472343. The reversal of 1401472328 is 8232741041.

It is an interprime number because it is at equal distance from previous prime (1401472313) and next prime (1401472343).

It can be written as a sum of positive squares in 2 ways, for example, as 1348211524 + 53260804 = 36718^2 + 7298^2 .

It is a super-2 number, since 2×1401472328² = 3928249372299479168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1401472294 and 1401472303.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3020183 + ... + 3020646.

Almost surely, 2^1401472328 is an apocalyptic number.

It is an amenable number.

1401472328 is a deficient number, since it is larger than the sum of its proper divisors (1316901172).

1401472328 is a wasteful number, since it uses less digits than its factorization.

1401472328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6040864 (or 6040860 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 1401472328 is about 37436.2435081299. The cubic root of 1401472328 is about 1119.0809658909.

The spelling of 1401472328 in words is "one billion, four hundred one million, four hundred seventy-two thousand, three hundred twenty-eight".