64202533632 has 180 divisors, whose sum is σ = 197617811776. Its totient is φ = 20710287360.

The previous prime is 64202533631. The next prime is 64202533691. The reversal of 64202533632 is 23633520246.

64202533632 is a `hidden beast` number, since 6 + 42 + 0 + 253 + 363 + 2 = 666.

It is a super-2 number, since 2×64202533632² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (64202533631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 592878 + ... + 692754.

Almost surely, 2^64202533632 is an apocalyptic number.

64202533632 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64202533632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98808905888).

64202533632 is an abundant number, since it is smaller than the sum of its proper divisors (133415278144).

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

64202533632 is an equidigital number, since it uses as much as digits as its factorization.

64202533632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99936 (or 99913 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 36.

The spelling of 64202533632 in words is "sixty-four billion, two hundred two million, five hundred thirty-three thousand, six hundred thirty-two".