1601944432 has 40 divisors (see below), whose sum is σ = 3391858800. Its totient is φ = 726881280.

The previous prime is 1601944429. The next prime is 1601944441. The reversal of 1601944432 is 2344491061.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96694 + ... + 112042.

It is an arithmetic number, because the mean of its divisors is an integer number (84796470).

Almost surely, 2^1601944432 is an apocalyptic number.

It is an amenable number.

1601944432 is an abundant number, since it is smaller than the sum of its proper divisors (1789914368).

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

1601944432 is a wasteful number, since it uses less digits than its factorization.

1601944432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15961 (or 15955 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 1601944432 is about 40024.2980200778. The cubic root of 1601944432 is about 1170.0806996228.

The spelling of 1601944432 in words is "one billion, six hundred one million, nine hundred forty-four thousand, four hundred thirty-two".