528404220542 has 32 divisors (see below), whose sum is σ = 879409388160. Its totient is φ = 236087946720.

The previous prime is 528404220541. The next prime is 528404220551. The reversal of 528404220542 is 245022404825.

It is a super-2 number, since 2×528404220542² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 528404220496 and 528404220505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (528404220541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18382193 + ... + 18410915.

It is an arithmetic number, because the mean of its divisors is an integer number (27481543380).

Almost surely, 2^528404220542 is an apocalyptic number.

528404220542 is a deficient number, since it is larger than the sum of its proper divisors (351005167618).

528404220542 is a wasteful number, since it uses less digits than its factorization.

528404220542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42968.

The product of its (nonzero) digits is 204800, while the sum is 38.

The spelling of 528404220542 in words is "five hundred twenty-eight billion, four hundred four million, two hundred twenty thousand, five hundred forty-two".