244155455442 has 40 divisors (see below), whose sum is σ = 548639031996. Its totient is φ = 81154579968.

The previous prime is 244155455437. The next prime is 244155455443. The reversal of 244155455442 is 244554551442.

244155455442 is a `hidden beast` number, since 2 + 4 + 4 + 1 + 5 + 54 + 554 + 42 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 230552665281 + 13602790161 = 480159^2 + 116631^2 .

It is a super-2 number, since 2×244155455442² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (244155455443) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2077563 + ... + 2191934.

Almost surely, 2^244155455442 is an apocalyptic number.

244155455442 is an abundant number, since it is smaller than the sum of its proper divisors (304483576554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

244155455442 is a wasteful number, since it uses less digits than its factorization.

244155455442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4269864 (or 4269855 counting only the distinct ones).

The product of its digits is 2560000, while the sum is 45.

The spelling of 244155455442 in words is "two hundred forty-four billion, one hundred fifty-five million, four hundred fifty-five thousand, four hundred forty-two".