64104454445400 has 144 divisors (see below), whose sum is σ = 215301511339200. Its totient is φ = 17093140727040.

The previous prime is 64104454445389. The next prime is 64104454445431. The reversal of 64104454445400 is 454445440146.

64104454445400 is a `hidden beast` number, since 6 + 4 + 10 + 4 + 4 + 54 + 44 + 540 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 20954841 + ... + 23818359.

It is an arithmetic number, because the mean of its divisors is an integer number (1495149384300).

Almost surely, 2^{64104454445400} is an apocalyptic number.

64104454445400 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

64104454445400 is an abundant number, since it is smaller than the sum of its proper divisors (151197056893800).

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

64104454445400 is a wasteful number, since it uses less digits than its factorization.

64104454445400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2875978 (or 2875966 counting only the distinct ones).

The product of its (nonzero) digits is 2457600, while the sum is 45.

Adding to 64104454445400 its reverse (454445440146), we get a palindrome (64558899885546).

The spelling of 64104454445400 in words is "sixty-four trillion, one hundred four billion, four hundred fifty-four million, four hundred forty-five thousand, four hundred".