42809542552 has 32 divisors (see below), whose sum is σ = 91931224320. Its totient is φ = 18307648800.

The previous prime is 42809542549. The next prime is 42809542571. The reversal of 42809542552 is 25524590824.

It is a super-2 number, since 2×42809542552² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 792324 + ... + 844627.

It is an arithmetic number, because the mean of its divisors is an integer number (2872850760).

Almost surely, 2^42809542552 is an apocalyptic number.

It is an amenable number.

42809542552 is an abundant number, since it is smaller than the sum of its proper divisors (49121681768).

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

42809542552 is a wasteful number, since it uses less digits than its factorization.

42809542552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1637431 (or 1637427 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 46.

The spelling of 42809542552 in words is "forty-two billion, eight hundred nine million, five hundred forty-two thousand, five hundred fifty-two".