32153532040240 has 80 divisors (see below), whose sum is σ = 80508490126848. Its totient is φ = 11871926995968.

The previous prime is 32153532040207. The next prime is 32153532040243. The reversal of 32153532040240 is 4204023535123.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 32153532040196 and 32153532040205.

It is not an unprimeable number, because it can be changed into a prime (32153532040243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121603057 + ... + 121867183.

Almost surely, 2^{32153532040240} is an apocalyptic number.

It is an amenable number.

32153532040240 is an abundant number, since it is smaller than the sum of its proper divisors (48354958086608).

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

32153532040240 is a wasteful number, since it uses less digits than its factorization.

32153532040240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381206 (or 381200 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 32153532040240 its reverse (4204023535123), we get a palindrome (36357555575363).

The spelling of 32153532040240 in words is "thirty-two trillion, one hundred fifty-three billion, five hundred thirty-two million, forty thousand, two hundred forty".