42987042900 has 144 divisors (see below), whose sum is σ = 138264900480. Its totient is φ = 11457446400.

The previous prime is 42987042899. The next prime is 42987042937. The reversal of 42987042900 is 924078924.

42987042900 is a `hidden beast` number, since 4 + 298 + 70 + 4 + 290 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9909532 + ... + 9913868.

It is an arithmetic number, because the mean of its divisors is an integer number (960172920).

Almost surely, 2^42987042900 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42987042900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69132450240).

42987042900 is an abundant number, since it is smaller than the sum of its proper divisors (95277857580).

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

42987042900 is a wasteful number, since it uses less digits than its factorization.

42987042900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8031 (or 8018 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 42987042900 in words is "forty-two billion, nine hundred eighty-seven million, forty-two thousand, nine hundred".