64260772430 has 16 divisors (see below), whose sum is σ = 116861860080. Its totient is φ = 25439315712.

The previous prime is 64260772409. The next prime is 64260772441. The reversal of 64260772430 is 3427706246.

It is a happy number.

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, 33123140 + ... + 33125079.

It is an arithmetic number, because the mean of its divisors is an integer number (7303866255).

Almost surely, 2^64260772430 is an apocalyptic number.

64260772430 is a deficient number, since it is larger than the sum of its proper divisors (52601087650).

64260772430 is a wasteful number, since it uses less digits than its factorization.

64260772430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66248323.

The product of its (nonzero) digits is 338688, while the sum is 41.

The spelling of 64260772430 in words is "sixty-four billion, two hundred sixty million, seven hundred seventy-two thousand, four hundred thirty".