36432810640 has 40 divisors (see below), whose sum is σ = 85043806848. Its totient is φ = 14515056000.

The previous prime is 36432810629. The next prime is 36432810641. The reversal of 36432810640 is 4601823463.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×36432810640² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 36432810640.

It is not an unprimeable number, because it can be changed into a prime (36432810641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 887112 + ... + 927271.

Almost surely, 2^36432810640 is an apocalyptic number.

It is an amenable number.

36432810640 is an abundant number, since it is smaller than the sum of its proper divisors (48610996208).

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

36432810640 is a wasteful number, since it uses less digits than its factorization.

36432810640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1814647 (or 1814641 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 37.

The spelling of 36432810640 in words is "thirty-six billion, four hundred thirty-two million, eight hundred ten thousand, six hundred forty".