32857796140 has 24 divisors (see below), whose sum is σ = 74309170320. Its totient is φ = 12132109248.

The previous prime is 32857796093. The next prime is 32857796161. The reversal of 32857796140 is 4169775823.

It is a Harshad number since it is a multiple of its sum of digits (52).

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 7 ways as a sum of consecutive naturals, for example, 63187810 + ... + 63188329.

It is an arithmetic number, because the mean of its divisors is an integer number (3096215430).

It is a 1-persistent number, because it is pandigital, but 2⋅32857796140 = 65715592280 is not.

Almost surely, 2^32857796140 is an apocalyptic number.

It is an amenable number.

32857796140 is an abundant number, since it is smaller than the sum of its proper divisors (41451374180).

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

32857796140 is a wasteful number, since it uses less digits than its factorization.

32857796140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126376161 (or 126376159 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 52.

The spelling of 32857796140 in words is "thirty-two billion, eight hundred fifty-seven million, seven hundred ninety-six thousand, one hundred forty".