8233375440 has 40 divisors (see below), whose sum is σ = 25523464608. Its totient is φ = 2195566720.

The previous prime is 8233375439. The next prime is 8233375499. The reversal of 8233375440 is 445733328.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×8233375440² (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, 17152626 + ... + 17153105.

Almost surely, 2^8233375440 is an apocalyptic number.

8233375440 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8233375440 is an abundant number, since it is smaller than the sum of its proper divisors (17290089168).

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

8233375440 is a wasteful number, since it uses less digits than its factorization.

8233375440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34305747 (or 34305741 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 39.

The square root of 8233375440 is about 90737.9492825356. The cubic root of 8233375440 is about 2019.2618483893.

The spelling of 8233375440 in words is "eight billion, two hundred thirty-three million, three hundred seventy-five thousand, four hundred forty".