39406942929378 has 64 divisors (see below), whose sum is σ = 88694938275840. Its totient is φ = 11598568733952.

The previous prime is 39406942929353. The next prime is 39406942929391. The reversal of 39406942929378 is 87392924960493.

39406942929378 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98508250 + ... + 98907477.

It is an arithmetic number, because the mean of its divisors is an integer number (1385858410560).

Almost surely, 2^{39406942929378} is an apocalyptic number.

39406942929378 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

39406942929378 is an abundant number, since it is smaller than the sum of its proper divisors (49287995346462).

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

39406942929378 is a wasteful number, since it uses less digits than its factorization.

39406942929378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197415871.

The product of its (nonzero) digits is 1269789696, while the sum is 75.

The spelling of 39406942929378 in words is "thirty-nine trillion, four hundred six billion, nine hundred forty-two million, nine hundred twenty-nine thousand, three hundred seventy-eight".