39220666560 has 196 divisors, whose sum is σ = 140028094848. Its totient is φ = 10458782208.

The previous prime is 39220666559. The next prime is 39220666601. The reversal of 39220666560 is 6566602293.

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

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 149217 + ... + 317343.

Almost surely, 2^39220666560 is an apocalyptic number.

39220666560 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 39220666560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70014047424).

39220666560 is an abundant number, since it is smaller than the sum of its proper divisors (100807428288).

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

39220666560 is an equidigital number, since it uses as much as digits as its factorization.

39220666560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168162 (or 168137 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 45.

The spelling of 39220666560 in words is "thirty-nine billion, two hundred twenty million, six hundred sixty-six thousand, five hundred sixty".