4001616432 has 100 divisors (see below), whose sum is σ = 12634778376. Its totient is φ = 1212606720.

The previous prime is 4001616427. The next prime is 4001616481. The reversal of 4001616432 is 2346161004.

4001616432 is a `hidden beast` number, since 4 + 0 + 0 + 1 + 616 + 43 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 4001616396 and 4001616405.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 126093 + ... + 154604.

Almost surely, 2^4001616432 is an apocalyptic number.

It is an amenable number.

4001616432 is an abundant number, since it is smaller than the sum of its proper divisors (8633161944).

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

4001616432 is a wasteful number, since it uses less digits than its factorization.

4001616432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280728 (or 280713 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 4001616432 is about 63258.3309296096. The cubic root of 4001616432 is about 1587.6148503263.

Adding to 4001616432 its reverse (2346161004), we get a palindrome (6347777436).

The spelling of 4001616432 in words is "four billion, one million, six hundred sixteen thousand, four hundred thirty-two".