64432045646034 has 128 divisors (see below), whose sum is σ = 152037942312960. Its totient is φ = 18004489747200.

The previous prime is 64432045646027. The next prime is 64432045646113. The reversal of 64432045646034 is 43064654023446.

It is a super-2 number, since 2×64432045646034² (a number of 28 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 859839 + ... + 11384349.

It is an arithmetic number, because the mean of its divisors is an integer number (1187796424320).

Almost surely, 2^{64432045646034} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64432045646034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76018971156480).

64432045646034 is an abundant number, since it is smaller than the sum of its proper divisors (87605896666926).

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

64432045646034 is a wasteful number, since it uses less digits than its factorization.

64432045646034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10524696.

The product of its (nonzero) digits is 19906560, while the sum is 51.

The spelling of 64432045646034 in words is "sixty-four trillion, four hundred thirty-two billion, forty-five million, six hundred forty-six thousand, thirty-four".