8433842040 has 128 divisors (see below), whose sum is σ = 30275380800. Its totient is φ = 2076019200.

The previous prime is 8433842033. The next prime is 8433842047. The reversal of 8433842040 is 402483348.

It is an interprime number because it is at equal distance from previous prime (8433842033) and next prime (8433842047).

It is a super-2 number, since 2×8433842040² (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 = 8433841986 and 8433842004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8433842047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 286311 + ... + 314390.

Almost surely, 2^8433842040 is an apocalyptic number.

It is an amenable number.

8433842040 is an abundant number, since it is smaller than the sum of its proper divisors (21841538760).

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

8433842040 is a wasteful number, since it uses less digits than its factorization.

8433842040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600734 (or 600724 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 36.

The square root of 8433842040 is about 91835.9517836016. The cubic root of 8433842040 is about 2035.5189704816.

The spelling of 8433842040 in words is "eight billion, four hundred thirty-three million, eight hundred forty-two thousand, forty".