32074978140 has 144 divisors (see below), whose sum is σ = 105530312160. Its totient is φ = 7853813760.

The previous prime is 32074978127. The next prime is 32074978217. The reversal of 32074978140 is 4187947023.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2370 + ... + 253289.

It is an arithmetic number, because the mean of its divisors is an integer number (732849390).

Almost surely, 2^32074978140 is an apocalyptic number.

32074978140 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 32074978140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52765156080).

32074978140 is an abundant number, since it is smaller than the sum of its proper divisors (73455334020).

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

32074978140 is a wasteful number, since it uses less digits than its factorization.

32074978140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255732 (or 255727 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 32074978140 in words is "thirty-two billion, seventy-four million, nine hundred seventy-eight thousand, one hundred forty".