440056141660451 has 16 divisors (see below), whose sum is σ = 442488648450048. Its totient is φ = 437624994542400.

The previous prime is 440056141660439. The next prime is 440056141660469. The reversal of 440056141660451 is 154066141650044.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-440056141660451 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 440056141660396 and 440056141660405.

It is not an unprimeable number, because it can be changed into a prime (440056141660351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11450532206 + ... + 11450570636.

It is an arithmetic number, because the mean of its divisors is an integer number (27655540528128).

Almost surely, 2^{440056141660451} is an apocalyptic number.

440056141660451 is a deficient number, since it is larger than the sum of its proper divisors (2432506789597).

440056141660451 is a wasteful number, since it uses less digits than its factorization.

440056141660451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54482.

The product of its (nonzero) digits is 1382400, while the sum is 47.

The spelling of 440056141660451 in words is "four hundred forty trillion, fifty-six billion, one hundred forty-one million, six hundred sixty thousand, four hundred fifty-one".