8400042965 has 8 divisors (see below), whose sum is σ = 10080737280. Its totient is φ = 6719577232.

The previous prime is 8400042961. The next prime is 8400042979. The reversal of 8400042965 is 5692400048.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8400042965 - 2² = 8400042961 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8400042961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38156 + ... + 135114.

It is an arithmetic number, because the mean of its divisors is an integer number (1260092160).

Almost surely, 2^8400042965 is an apocalyptic number.

It is an amenable number.

8400042965 is a deficient number, since it is larger than the sum of its proper divisors (1680694315).

8400042965 is a wasteful number, since it uses less digits than its factorization.

8400042965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114291.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 8400042965 is about 91651.7482921084. The cubic root of 8400042965 is about 2032.7961794547.

The spelling of 8400042965 in words is "eight billion, four hundred million, forty-two thousand, nine hundred sixty-five".