1241864400 has 240 divisors, whose sum is σ = 4579341824. Its totient is φ = 281802240.

The previous prime is 1241864357. The next prime is 1241864423. The reversal of 1241864400 is 44681421.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1368747 + ... + 1369653.

Almost surely, 2^1241864400 is an apocalyptic number.

1241864400 is a gapful number since it is divisible by the number (10) 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 1241864400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2289670912).

1241864400 is an abundant number, since it is smaller than the sum of its proper divisors (3337477424).

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

1241864400 is a wasteful number, since it uses less digits than its factorization.

1241864400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098 (or 1087 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 1241864400 is about 35240.0964811392. The cubic root of 1241864400 is about 1074.8752406144.

The spelling of 1241864400 in words is "one billion, two hundred forty-one million, eight hundred sixty-four thousand, four hundred".