8373911040 has 960 divisors, whose sum is σ = 34930621440. Its totient is φ = 1831403520.

The previous prime is 8373911033. The next prime is 8373911069. The reversal of 8373911040 is 401193738.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (960).

It is a super-2 number, since 2×8373911040² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 8373910986 and 8373911004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 178168297 + ... + 178168343.

It is an arithmetic number, because the mean of its divisors is an integer number (36386064).

Almost surely, 2^8373911040 is an apocalyptic number.

8373911040 is a gapful number since it is divisible by the number (80) 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 8373911040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17465310720).

8373911040 is an abundant number, since it is smaller than the sum of its proper divisors (26556710400).

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

8373911040 is a wasteful number, since it uses less digits than its factorization.

8373911040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 8373911040 is about 91509.0762711547. The cubic root of 8373911040 is about 2030.6860292253.

The spelling of 8373911040 in words is "eight billion, three hundred seventy-three million, nine hundred eleven thousand, forty".