32071894140 has 384 divisors, whose sum is σ = 110645305344. Its totient is φ = 6830208000.

The previous prime is 32071894133. The next prime is 32071894219. The reversal of 32071894140 is 4149817023.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

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 127 ways as a sum of consecutive naturals, for example, 65319295 + ... + 65319785.

It is an arithmetic number, because the mean of its divisors is an integer number (288138816).

Almost surely, 2^32071894140 is an apocalyptic number.

32071894140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32071894140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55322652672).

32071894140 is an abundant number, since it is smaller than the sum of its proper divisors (78573411204).

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

32071894140 is a wasteful number, since it uses less digits than its factorization.

32071894140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881 (or 879 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The spelling of 32071894140 in words is "thirty-two billion, seventy-one million, eight hundred ninety-four thousand, one hundred forty".