244400156 has 144 divisors (see below), whose sum is σ = 600606720. Its totient is φ = 84585600.

The previous prime is 244400153. The next prime is 244400159. The reversal of 244400156 is 651004442.

244400156 = T₄₂₈ + T₄₂₉ + ... + T₁₁₅₅.

It is an interprime number because it is at equal distance from previous prime (244400153) and next prime (244400159).

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244400153) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1365275 + ... + 1365453.

It is an arithmetic number, because the mean of its divisors is an integer number (4170880).

Almost surely, 2^244400156 is an apocalyptic number.

244400156 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 244400156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (300303360).

244400156 is an abundant number, since it is smaller than the sum of its proper divisors (356206564).

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

244400156 is a wasteful number, since it uses less digits than its factorization.

244400156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256 (or 243 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 244400156 is about 15633.3027860398. The cubic root of 244400156 is about 625.2213880238.

Adding to 244400156 its reverse (651004442), we get a palindrome (895404598).

The spelling of 244400156 in words is "two hundred forty-four million, four hundred thousand, one hundred fifty-six".