4200451540 has 12 divisors (see below), whose sum is σ = 8820948276. Its totient is φ = 1680180608.

The previous prime is 4200451531. The next prime is 4200451561. The reversal of 4200451540 is 451540024.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1215359044 + 2985092496 = 34862^2 + 54636^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105011269 + ... + 105011308.

It is an arithmetic number, because the mean of its divisors is an integer number (735079023).

Almost surely, 2^4200451540 is an apocalyptic number.

It is an amenable number.

4200451540 is an abundant number, since it is smaller than the sum of its proper divisors (4620496736).

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

4200451540 is a wasteful number, since it uses less digits than its factorization.

4200451540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210022586 (or 210022584 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 4200451540 is about 64810.8905971828. The cubic root of 4200451540 is about 1613.4864636011.

Adding to 4200451540 its reverse (451540024), we get a palindrome (4651991564).

The spelling of 4200451540 in words is "four billion, two hundred million, four hundred fifty-one thousand, five hundred forty".