32253551521240 has 128 divisors (see below), whose sum is σ = 84679765148160. Its totient is φ = 10828443838464.

The previous prime is 32253551521171. The next prime is 32253551521241. The reversal of 32253551521240 is 4212515535223.

It is a super-2 number, since 2×32253551521240² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 32253551521193 and 32253551521202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32253551521241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3514794 + ... + 8767033.

It is an arithmetic number, because the mean of its divisors is an integer number (661560665220).

Almost surely, 2^{32253551521240} is an apocalyptic number.

It is an amenable number.

32253551521240 is an abundant number, since it is smaller than the sum of its proper divisors (52426213626920).

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

32253551521240 is a wasteful number, since it uses less digits than its factorization.

32253551521240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12282041 (or 12282037 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 40.

The spelling of 32253551521240 in words is "thirty-two trillion, two hundred fifty-three billion, five hundred fifty-one million, five hundred twenty-one thousand, two hundred forty".