2451414440 has 16 divisors (see below), whose sum is σ = 5515682580. Its totient is φ = 980565760.

The previous prime is 2451414439. The next prime is 2451414443. The reversal of 2451414440 is 444141542.

It can be written as a sum of positive squares in 2 ways, for example, as 1999341796 + 452072644 = 44714^2 + 21262^2 .

It is not an unprimeable number, because it can be changed into a prime (2451414443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30642641 + ... + 30642720.

Almost surely, 2^2451414440 is an apocalyptic number.

2451414440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2451414440 is an abundant number, since it is smaller than the sum of its proper divisors (3064268140).

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

2451414440 is a wasteful number, since it uses less digits than its factorization.

2451414440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61285372 (or 61285368 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 29.

The square root of 2451414440 is about 49511.7606231085. The cubic root of 2451414440 is about 1348.3591293955.

Adding to 2451414440 its reverse (444141542), we get a palindrome (2895555982).

The spelling of 2451414440 in words is "two billion, four hundred fifty-one million, four hundred fourteen thousand, four hundred forty".