244155425465 has 24 divisors (see below), whose sum is σ = 340863272712. Its totient is φ = 167400119040.

The previous prime is 244155425453. The next prime is 244155425483. The reversal of 244155425465 is 564524551442.

It can be written as a sum of positive squares in 4 ways, for example, as 13489428736 + 230665996729 = 116144^2 + 480277^2 .

It is not a de Polignac number, because 244155425465 - 2²⁰ = 244154376889 is a prime.

It is a super-2 number, since 2×244155425465² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2069447 + ... + 2184243.

It is an arithmetic number, because the mean of its divisors is an integer number (14202636363).

Almost surely, 2^244155425465 is an apocalyptic number.

It is an amenable number.

244155425465 is a deficient number, since it is larger than the sum of its proper divisors (96707847247).

244155425465 is a wasteful number, since it uses less digits than its factorization.

244155425465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123497 (or 123490 counting only the distinct ones).

The product of its digits is 3840000, while the sum is 47.

The spelling of 244155425465 in words is "two hundred forty-four billion, one hundred fifty-five million, four hundred twenty-five thousand, four hundred sixty-five".