2451400444144 has 20 divisors (see below), whose sum is σ = 4749637679824. Its totient is φ = 1225687494528.

The previous prime is 2451400444099. The next prime is 2451400444201. The reversal of 2451400444144 is 4414440041542.

It is a super-4 number, since 4×2451400444144⁴ (a number of 51 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 903484 + ... + 2391460.

Almost surely, 2^{2451400444144} is an apocalyptic number.

It is an amenable number.

2451400444144 is a deficient number, since it is larger than the sum of its proper divisors (2298237235680).

2451400444144 is a wasteful number, since it uses less digits than its factorization.

2451400444144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1590952 (or 1590946 counting only the distinct ones).

The product of its (nonzero) digits is 163840, while the sum is 37.

Adding to 2451400444144 its reverse (4414440041542), we get a palindrome (6865840485686).

The spelling of 2451400444144 in words is "two trillion, four hundred fifty-one billion, four hundred million, four hundred forty-four thousand, one hundred forty-four".