2451500120 has 64 divisors (see below), whose sum is σ = 5690688480. Its totient is φ = 949764096.

The previous prime is 2451500101. The next prime is 2451500159. The reversal of 2451500120 is 210051542.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2451500092 and 2451500101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 332312 + ... + 339608.

Almost surely, 2^2451500120 is an apocalyptic number.

2451500120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2451500120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2845344240).

2451500120 is an abundant number, since it is smaller than the sum of its proper divisors (3239188360).

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

2451500120 is a wasteful number, since it uses less digits than its factorization.

2451500120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7572 (or 7568 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 2451500120 is about 49512.6258645207. The cubic root of 2451500120 is about 1348.3748381583.

Adding to 2451500120 its reverse (210051542), we get a palindrome (2661551662).

The spelling of 2451500120 in words is "two billion, four hundred fifty-one million, five hundred thousand, one hundred twenty".