38446828056820 has 48 divisors (see below), whose sum is σ = 81777124074240. Its totient is φ = 15180947293824.

The previous prime is 38446828056817. The next prime is 38446828056841. The reversal of 38446828056820 is 2865082864483.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5210947 + ... + 10200373.

It is an arithmetic number, because the mean of its divisors is an integer number (1703690084880).

Almost surely, 2^{38446828056820} is an apocalyptic number.

It is an amenable number.

38446828056820 is an abundant number, since it is smaller than the sum of its proper divisors (43330296017420).

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

38446828056820 is a wasteful number, since it uses less digits than its factorization.

38446828056820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4994392 (or 4994390 counting only the distinct ones).

The product of its (nonzero) digits is 141557760, while the sum is 64.

The spelling of 38446828056820 in words is "thirty-eight trillion, four hundred forty-six billion, eight hundred twenty-eight million, fifty-six thousand, eight hundred twenty".