42124980621376 has 21 divisors (see below), whose sum is σ = 83591861455389. Its totient is φ = 21062464349184.

The previous prime is 42124980621337. The next prime is 42124980621397. The reversal of 42124980621376 is 67312608942124.

The square root of 42124980621376 is 6490376.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 15850908942400 + 26274071678976 = 3981320^2 + 5125824^2 .

It is a Duffinian number.

It is an unprimeable number.

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 2 ways as a sum of consecutive naturals, for example, 51517360 + ... + 52328656.

It is an arithmetic number, because the mean of its divisors is an integer number (3980564831209).

Almost surely, 2^{42124980621376} is an apocalyptic number.

42124980621376 is the 6490376-th square number.

It is an amenable number.

42124980621376 is a deficient number, since it is larger than the sum of its proper divisors (41466880834013).

42124980621376 is an frugal number, since it uses more digits than its factorization.

42124980621376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1622606 (or 811299 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 55.

The spelling of 42124980621376 in words is "forty-two trillion, one hundred twenty-four billion, nine hundred eighty million, six hundred twenty-one thousand, three hundred seventy-six".