42780550648 has 32 divisors (see below), whose sum is σ = 87673080960. Its totient is φ = 19408502880.

The previous prime is 42780550601. The next prime is 42780550697. The reversal of 42780550648 is 84605508724.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 418740 + ... + 510787.

It is an arithmetic number, because the mean of its divisors is an integer number (2739783780).

Almost surely, 2^42780550648 is an apocalyptic number.

It is an amenable number.

42780550648 is an abundant number, since it is smaller than the sum of its proper divisors (44892530312).

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

42780550648 is a wasteful number, since it uses less digits than its factorization.

42780550648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930067 (or 930063 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 49.

The spelling of 42780550648 in words is "forty-two billion, seven hundred eighty million, five hundred fifty thousand, six hundred forty-eight".