1440520166051 has 2 divisors, whose sum is σ = 1440520166052. Its totient is φ = 1440520166050.

The previous prime is 1440520166009. The next prime is 1440520166227. The reversal of 1440520166051 is 1506610250441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1440520166051 - 2³⁴ = 1423340296867 is a prime.

It is a super-2 number, since 2×1440520166051² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1440520166251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 720260083025 + 720260083026.

It is an arithmetic number, because the mean of its divisors is an integer number (720260083026).

Almost surely, 2^{1440520166051} is an apocalyptic number.

1440520166051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1440520166051 is an equidigital number, since it uses as much as digits as its factorization.

1440520166051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 35.

The spelling of 1440520166051 in words is "one trillion, four hundred forty billion, five hundred twenty million, one hundred sixty-six thousand, fifty-one".