64863429400 has 288 divisors, whose sum is σ = 190082833920. Its totient is φ = 20149113600.

The previous prime is 64863429377. The next prime is 64863429427. The reversal of 64863429400 is 492436846.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 78431787 + ... + 78432613.

It is an arithmetic number, because the mean of its divisors is an integer number (660009840).

Almost surely, 2^64863429400 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 64863429400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95041416960).

64863429400 is an abundant number, since it is smaller than the sum of its proper divisors (125219404520).

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

64863429400 is a wasteful number, since it uses less digits than its factorization.

64863429400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1335 (or 1315 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 46.

The spelling of 64863429400 in words is "sixty-four billion, eight hundred sixty-three million, four hundred twenty-nine thousand, four hundred".