6465240254 has 8 divisors (see below), whose sum is σ = 10579484088. Its totient is φ = 2938745560.

The previous prime is 6465240253. The next prime is 6465240259. The reversal of 6465240254 is 4520425646.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6465240253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146937257 + ... + 146937300.

It is an arithmetic number, because the mean of its divisors is an integer number (1322435511).

Almost surely, 2^6465240254 is an apocalyptic number.

6465240254 is a deficient number, since it is larger than the sum of its proper divisors (4114243834).

6465240254 is a wasteful number, since it uses less digits than its factorization.

6465240254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293874570.

The product of its (nonzero) digits is 230400, while the sum is 38.

The square root of 6465240254 is about 80406.7177168674. The cubic root of 6465240254 is about 1862.9229348316.

The spelling of 6465240254 in words is "six billion, four hundred sixty-five million, two hundred forty thousand, two hundred fifty-four".