2045403432 has 96 divisors (see below), whose sum is σ = 5798520000. Its totient is φ = 650124288.

The previous prime is 2045403427. The next prime is 2045403463. The reversal of 2045403432 is 2343045402.

It is a junction number, because it is equal to n+sod(n) for n = 2045403396 and 2045403405.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 582819 + ... + 586317.

It is an arithmetic number, because the mean of its divisors is an integer number (60401250).

Almost surely, 2^2045403432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2045403432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2899260000).

2045403432 is an abundant number, since it is smaller than the sum of its proper divisors (3753116568).

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

2045403432 is a wasteful number, since it uses less digits than its factorization.

2045403432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3887 (or 3880 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 2045403432 is about 45226.1366026328. The cubic root of 2045403432 is about 1269.3839225707.

Adding to 2045403432 its reverse (2343045402), we get a palindrome (4388448834).

The spelling of 2045403432 in words is "two billion, forty-five million, four hundred three thousand, four hundred thirty-two".