1801641332 has 12 divisors (see below), whose sum is σ = 3318813120. Its totient is φ = 853409016.

The previous prime is 1801641227. The next prime is 1801641337. The reversal of 1801641332 is 2331461081.

It is a super-2 number, since 2×1801641332² = 6491822978341468448, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1801641295 and 1801641304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1801641337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11852828 + ... + 11852979.

It is an arithmetic number, because the mean of its divisors is an integer number (276567760).

Almost surely, 2^1801641332 is an apocalyptic number.

It is an amenable number.

1801641332 is a deficient number, since it is larger than the sum of its proper divisors (1517171788).

1801641332 is a wasteful number, since it uses less digits than its factorization.

1801641332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23705830 (or 23705828 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 1801641332 is about 42445.7457467766. The cubic root of 1801641332 is about 1216.8100242996.

The spelling of 1801641332 in words is "one billion, eight hundred one million, six hundred forty-one thousand, three hundred thirty-two".