1632247040 has 36 divisors (see below), whose sum is σ = 3909744804. Its totient is φ = 652898304.

The previous prime is 1632247039. The next prime is 1632247081. The reversal of 1632247040 is 407422361.

It can be written as a sum of positive squares in 2 ways, for example, as 1242421504 + 389825536 = 35248^2 + 19744^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1632246994 and 1632247012.

It is a congruent number.

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, 636317 + ... + 638876.

Almost surely, 2^1632247040 is an apocalyptic number.

1632247040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1632247040 is an abundant number, since it is smaller than the sum of its proper divisors (2277497764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1632247040 is an equidigital number, since it uses as much as digits as its factorization.

1632247040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275214 (or 1275200 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 1632247040 is about 40401.0772133615. The cubic root of 1632247040 is about 1177.4124666909.

The spelling of 1632247040 in words is "one billion, six hundred thirty-two million, two hundred forty-seven thousand, forty".