2403421344 has 72 divisors (see below), whose sum is σ = 6853654080. Its totient is φ = 798922368.

The previous prime is 2403421337. The next prime is 2403421367. The reversal of 2403421344 is 4431243042.

It is a happy number.

2403421344 is a `hidden beast` number, since 2 + 403 + 4 + 213 + 44 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94327 + ... + 117065.

It is an arithmetic number, because the mean of its divisors is an integer number (95189640).

Almost surely, 2^2403421344 is an apocalyptic number.

2403421344 is a gapful number since it is divisible by the number (24) 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 2403421344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3426827040).

2403421344 is an abundant number, since it is smaller than the sum of its proper divisors (4450232736).

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

2403421344 is a wasteful number, since it uses less digits than its factorization.

2403421344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23122 (or 23111 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 2403421344 is about 49024.7013657401. The cubic root of 2403421344 is about 1339.5018093087.

Adding to 2403421344 its reverse (4431243042), we get a palindrome (6834664386).

The spelling of 2403421344 in words is "two billion, four hundred three million, four hundred twenty-one thousand, three hundred forty-four".