32378445330 has 128 divisors (see below), whose sum is σ = 97109784576. Its totient is φ = 6712243200.

The previous prime is 32378445317. The next prime is 32378445353. The reversal of 32378445330 is 3354487323.

It is a super-5 number, since 5×32378445330⁵ (a number of 54 digits) contains 55555 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 984045 + ... + 1016415.

It is an arithmetic number, because the mean of its divisors is an integer number (758670192).

Almost surely, 2^32378445330 is an apocalyptic number.

32378445330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 32378445330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48554892288).

32378445330 is an abundant number, since it is smaller than the sum of its proper divisors (64731339246).

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

32378445330 is a wasteful number, since it uses less digits than its factorization.

32378445330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32832.

The product of its (nonzero) digits is 725760, while the sum is 42.

The spelling of 32378445330 in words is "thirty-two billion, three hundred seventy-eight million, four hundred forty-five thousand, three hundred thirty".