64041355400 has 144 divisors (see below), whose sum is σ = 169308108900. Its totient is φ = 22484492800.

The previous prime is 64041355387. The next prime is 64041355403. The reversal of 64041355400 is 455314046.

It can be written as a sum of positive squares in 6 ways, for example, as 46796938276 + 17244417124 = 216326^2 + 131318^2 .

It is not an unprimeable number, because it can be changed into a prime (64041355403) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 656174 + ... + 747426.

Almost surely, 2^64041355400 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64041355400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84654054450).

64041355400 is an abundant number, since it is smaller than the sum of its proper divisors (105266753500).

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

64041355400 is a wasteful number, since it uses less digits than its factorization.

64041355400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91320 (or 91300 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 64041355400 its reverse (455314046), we get a palindrome (64496669446).

The spelling of 64041355400 in words is "sixty-four billion, forty-one million, three hundred fifty-five thousand, four hundred".