8403137344 has 56 divisors (see below), whose sum is σ = 19109415680. Its totient is φ = 3591461376.

The previous prime is 8403137299. The next prime is 8403137371. The reversal of 8403137344 is 4437313048.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×8403137344² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138862 + ... + 189970.

Almost surely, 2^8403137344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8403137344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9554707840).

8403137344 is an abundant number, since it is smaller than the sum of its proper divisors (10706278336).

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

8403137344 is a wasteful number, since it uses less digits than its factorization.

8403137344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51495 (or 51485 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 37.

The square root of 8403137344 is about 91668.6279159888. The cubic root of 8403137344 is about 2033.0457603041.

The spelling of 8403137344 in words is "eight billion, four hundred three million, one hundred thirty-seven thousand, three hundred forty-four".