12440151451 has 8 divisors (see below), whose sum is σ = 15310955744. Its totient is φ = 9842757120.

The previous prime is 12440151443. The next prime is 12440151461. The reversal of 12440151451 is 15415104421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12440151451 - 2³ = 12440151443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12440151461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68352390 + ... + 68352571.

It is an arithmetic number, because the mean of its divisors is an integer number (1913869468).

Almost surely, 2^12440151451 is an apocalyptic number.

12440151451 is a deficient number, since it is larger than the sum of its proper divisors (2870804293).

12440151451 is a wasteful number, since it uses less digits than its factorization.

12440151451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136704981.

The product of its (nonzero) digits is 3200, while the sum is 28.

Adding to 12440151451 its reverse (15415104421), we get a palindrome (27855255872).

The spelling of 12440151451 in words is "twelve billion, four hundred forty million, one hundred fifty-one thousand, four hundred fifty-one".