64260004400 has 30 divisors (see below), whose sum is σ = 154384661532. Its totient is φ = 25704001600.

The previous prime is 64260004373. The next prime is 64260004411. The reversal of 64260004400 is 440006246.

It is a self number, because there is not a number n which added to its sum of digits gives 64260004400.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 80324606 + ... + 80325405.

Almost surely, 2^64260004400 is an apocalyptic number.

It is an amenable number.

64260004400 is an abundant number, since it is smaller than the sum of its proper divisors (90124657132).

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

64260004400 is a wasteful number, since it uses less digits than its factorization.

64260004400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160650029 (or 160650018 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The spelling of 64260004400 in words is "sixty-four billion, two hundred sixty million, four thousand, four hundred".