32154455420 has 24 divisors (see below), whose sum is σ = 68631315648. Its totient is φ = 12650932800.

The previous prime is 32154455413. The next prime is 32154455429. The reversal of 32154455420 is 2455445123.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32154455429) 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, 13176836 + ... + 13179275.

It is an arithmetic number, because the mean of its divisors is an integer number (2859638152).

Almost surely, 2^32154455420 is an apocalyptic number.

It is an amenable number.

32154455420 is an abundant number, since it is smaller than the sum of its proper divisors (36476860228).

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

32154455420 is a wasteful number, since it uses less digits than its factorization.

32154455420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26356181 (or 26356179 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

The spelling of 32154455420 in words is "thirty-two billion, one hundred fifty-four million, four hundred fifty-five thousand, four hundred twenty".