4205250520 has 32 divisors (see below), whose sum is σ = 9548629200. Its totient is φ = 1666666368.

The previous prime is 4205250499. The next prime is 4205250583. The reversal of 4205250520 is 250525024.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 477894 + ... + 486613.

Almost surely, 2^4205250520 is an apocalyptic number.

4205250520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4205250520 is an abundant number, since it is smaller than the sum of its proper divisors (5343378680).

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

4205250520 is a wasteful number, since it uses less digits than its factorization.

4205250520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964627 (or 964623 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 4205250520 is about 64847.9029730338. The cubic root of 4205250520 is about 1614.1006945761.

Adding to 4205250520 its reverse (250525024), we get a palindrome (4455775544).

The spelling of 4205250520 in words is "four billion, two hundred five million, two hundred fifty thousand, five hundred twenty".