39220631240 has 64 divisors (see below), whose sum is σ = 104330764800. Its totient is φ = 12983378688.

The previous prime is 39220631239. The next prime is 39220631267. The reversal of 39220631240 is 4213602293.

It is a junction number, because it is equal to n+sod(n) for n = 39220631197 and 39220631206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2406944 + ... + 2423183.

It is an arithmetic number, because the mean of its divisors is an integer number (1630168200).

Almost surely, 2^39220631240 is an apocalyptic number.

It is an amenable number.

39220631240 is an abundant number, since it is smaller than the sum of its proper divisors (65110133560).

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

39220631240 is a wasteful number, since it uses less digits than its factorization.

39220631240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4830174 (or 4830170 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

The spelling of 39220631240 in words is "thirty-nine billion, two hundred twenty million, six hundred thirty-one thousand, two hundred forty".