4045542450 has 96 divisors (see below), whose sum is σ = 10496756736. Its totient is φ = 1029188160.

The previous prime is 4045542443. The next prime is 4045542461. The reversal of 4045542450 is 542455404.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1527027 + ... + 1529673.

It is an arithmetic number, because the mean of its divisors is an integer number (109341216).

Almost surely, 2^4045542450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4045542450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5248378368).

4045542450 is an abundant number, since it is smaller than the sum of its proper divisors (6451214286).

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

4045542450 is a wasteful number, since it uses less digits than its factorization.

4045542450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3128 (or 3123 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 33.

The square root of 4045542450 is about 63604.5788446083. The cubic root of 4045542450 is about 1593.4028423407.

Adding to 4045542450 its reverse (542455404), we get a palindrome (4587997854).

The spelling of 4045542450 in words is "four billion, forty-five million, five hundred forty-two thousand, four hundred fifty".