42920163320804 has 24 divisors (see below), whose sum is σ = 93643992700608. Its totient is φ = 16722141553440.

The previous prime is 42920163320791. The next prime is 42920163320809. The reversal of 42920163320804 is 40802336102924.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (42920163320809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69675589499 + ... + 69675590114.

It is an arithmetic number, because the mean of its divisors is an integer number (3901833029192).

Almost surely, 2^{42920163320804} is an apocalyptic number.

42920163320804 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42920163320804 is an abundant number, since it is smaller than the sum of its proper divisors (50723829379804).

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

42920163320804 is a wasteful number, since it uses less digits than its factorization.

42920163320804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139351179635 (or 139351179633 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 44.

The spelling of 42920163320804 in words is "forty-two trillion, nine hundred twenty billion, one hundred sixty-three million, three hundred twenty thousand, eight hundred four".