32154255040 has 112 divisors (see below), whose sum is σ = 78831667584. Its totient is φ = 12483072000.

The previous prime is 32154255019. The next prime is 32154255053. The reversal of 32154255040 is 4055245123.

It is a super-2 number, since 2×32154255040² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 32154254993 and 32154255011.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5099890 + ... + 5106190.

Almost surely, 2^32154255040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32154255040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39415833792).

32154255040 is an abundant number, since it is smaller than the sum of its proper divisors (46677412544).

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

32154255040 is a wasteful number, since it uses less digits than its factorization.

32154255040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6786 (or 6776 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The spelling of 32154255040 in words is "thirty-two billion, one hundred fifty-four million, two hundred fifty-five thousand, forty".