32155455240 has 96 divisors (see below), whose sum is σ = 104534890200. Its totient is φ = 8572354560.

The previous prime is 32155455203. The next prime is 32155455253. The reversal of 32155455240 is 4255455123.

32155455240 is a `hidden beast` number, since 3 + 2 + 15 + 54 + 552 + 40 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 32143469796 + 11985444 = 179286^2 + 3462^2 .

It is a super-4 number, since 4×32155455240⁴ (a number of 43 digits) contains 4444 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 32155455195 and 32155455204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1511880 + ... + 1533000.

Almost surely, 2^32155455240 is an apocalyptic number.

32155455240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32155455240 is an abundant number, since it is smaller than the sum of its proper divisors (72379434960).

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

32155455240 is a wasteful number, since it uses less digits than its factorization.

32155455240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25367 (or 25360 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

The spelling of 32155455240 in words is "thirty-two billion, one hundred fifty-five million, four hundred fifty-five thousand, two hundred forty".