841244400 has 120 divisors (see below), whose sum is σ = 2994245360. Its totient is φ = 224328960.

The previous prime is 841244387. The next prime is 841244407. The reversal of 841244400 is 4442148.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (841244407) 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, 28147 + ... + 49746.

Almost surely, 2^841244400 is an apocalyptic number.

841244400 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

841244400 is an abundant number, since it is smaller than the sum of its proper divisors (2153000960).

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

841244400 is a wasteful number, since it uses less digits than its factorization.

841244400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77920 (or 77903 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

The square root of 841244400 is about 29004.2134870091. The cubic root of 841244400 is about 944.0044946162.

Adding to 841244400 its reverse (4442148), we get a palindrome (845686548).

The spelling of 841244400 in words is "eight hundred forty-one million, two hundred forty-four thousand, four hundred".