2451051240 has 64 divisors (see below), whose sum is σ = 8021626560. Its totient is φ = 594193920.

The previous prime is 2451051209. The next prime is 2451051241. The reversal of 2451051240 is 421501542.

It is a super-2 number, since 2×2451051240² = 12015304362211075200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 2451051240.

It is not an unprimeable number, because it can be changed into a prime (2451051241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 927109 + ... + 929748.

It is an arithmetic number, because the mean of its divisors is an integer number (125337915).

Almost surely, 2^2451051240 is an apocalyptic number.

2451051240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2451051240 is an abundant number, since it is smaller than the sum of its proper divisors (5570575320).

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

2451051240 is a wasteful number, since it uses less digits than its factorization.

2451051240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1856882 (or 1856878 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 2451051240 is about 49508.0926718047. The cubic root of 2451051240 is about 1348.2925354303.

Adding to 2451051240 its reverse (421501542), we get a palindrome (2872552782).

The spelling of 2451051240 in words is "two billion, four hundred fifty-one million, fifty-one thousand, two hundred forty".