1400144200451 has 4 divisors (see below), whose sum is σ = 1401397687872. Its totient is φ = 1398890713032.

The previous prime is 1400144200409. The next prime is 1400144200457. The reversal of 1400144200451 is 1540024410041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1400144200451 - 2⁶ = 1400144200387 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1400144200451.

It is not an unprimeable number, because it can be changed into a prime (1400144200457) by changing a digit.

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, 626742035 + ... + 626744268.

It is an arithmetic number, because the mean of its divisors is an integer number (350349421968).

Almost surely, 2^{1400144200451} is an apocalyptic number.

1400144200451 is a deficient number, since it is larger than the sum of its proper divisors (1253487421).

1400144200451 is a wasteful number, since it uses less digits than its factorization.

1400144200451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253487420.

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 1400144200451 its reverse (1540024410041), we get a palindrome (2940168610492).

The spelling of 1400144200451 in words is "one trillion, four hundred billion, one hundred forty-four million, two hundred thousand, four hundred fifty-one".