2003542450 has 48 divisors (see below), whose sum is σ = 4586581440. Its totient is φ = 634086720.

The previous prime is 2003542447. The next prime is 2003542483. The reversal of 2003542450 is 542453002.

It is a Harshad number since it is a multiple of its sum of digits (25).

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, 215620 + ... + 224719.

It is an arithmetic number, because the mean of its divisors is an integer number (95553780).

Almost surely, 2^2003542450 is an apocalyptic number.

2003542450 is an abundant number, since it is smaller than the sum of its proper divisors (2583038990).

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

2003542450 is a wasteful number, since it uses less digits than its factorization.

2003542450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440371 (or 440366 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 2003542450 is about 44760.9478228511. The cubic root of 2003542450 is about 1260.6644790279.

Adding to 2003542450 its reverse (542453002), we get a palindrome (2545995452).

The spelling of 2003542450 in words is "two billion, three million, five hundred forty-two thousand, four hundred fifty".