440022665156165 has 64 divisors (see below), whose sum is σ = 651016496858112. Its totient is φ = 278032690944000.

The previous prime is 440022665156141. The next prime is 440022665156167. The reversal of 440022665156165 is 561651566220044.

It is not a de Polignac number, because 440022665156165 - 2³⁶ = 439953945679429 is a prime.

It is a super-2 number, since 2×440022665156165² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440022665156167) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3538718984 + ... + 3538843326.

It is an arithmetic number, because the mean of its divisors is an integer number (10172132763408).

Almost surely, 2^{440022665156165} is an apocalyptic number.

It is an amenable number.

440022665156165 is a deficient number, since it is larger than the sum of its proper divisors (210993831701947).

440022665156165 is a wasteful number, since it uses less digits than its factorization.

440022665156165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137910.

The product of its (nonzero) digits is 10368000, while the sum is 53.

The spelling of 440022665156165 in words is "four hundred forty trillion, twenty-two billion, six hundred sixty-five million, one hundred fifty-six thousand, one hundred sixty-five".