244155355455 has 24 divisors (see below), whose sum is σ = 429390578736. Its totient is φ = 118378353280.

The previous prime is 244155355453. The next prime is 244155355531. The reversal of 244155355455 is 554553551442.

It is not a de Polignac number, because 244155355455 - 2¹ = 244155355453 is a prime.

It is a super-2 number, since 2×244155355455² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244155355453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67258614 + ... + 67262243.

It is an arithmetic number, because the mean of its divisors is an integer number (17891274114).

Almost surely, 2^244155355455 is an apocalyptic number.

244155355455 is a deficient number, since it is larger than the sum of its proper divisors (185235223281).

244155355455 is a wasteful number, since it uses less digits than its factorization.

244155355455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134520887 (or 134520876 counting only the distinct ones).

The product of its digits is 6000000, while the sum is 48.

The spelling of 244155355455 in words is "two hundred forty-four billion, one hundred fifty-five million, three hundred fifty-five thousand, four hundred fifty-five".