244153400399 has 4 divisors (see below), whose sum is σ = 244155036960. Its totient is φ = 244151763840.

The previous prime is 244153400341. The next prime is 244153400419. The reversal of 244153400399 is 993004351442.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 244153400399 - 2⁸ = 244153400143 is a prime.

It is a super-2 number, since 2×244153400399² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244153400329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 569234 + ... + 901295.

It is an arithmetic number, because the mean of its divisors is an integer number (61038759240).

Almost surely, 2^244153400399 is an apocalyptic number.

244153400399 is a deficient number, since it is larger than the sum of its proper divisors (1636561).

244153400399 is a wasteful number, since it uses less digits than its factorization.

244153400399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1636560.

The product of its (nonzero) digits is 466560, while the sum is 44.

The spelling of 244153400399 in words is "two hundred forty-four billion, one hundred fifty-three million, four hundred thousand, three hundred ninety-nine".