42949863560 has 16 divisors (see below), whose sum is σ = 96637193100. Its totient is φ = 17179945408.

The previous prime is 42949863553. The next prime is 42949863569. The reversal of 42949863560 is 6536894924.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 37086286084 + 5863577476 = 192578^2 + 76574^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42949863496 and 42949863505.

It is not an unprimeable number, because it can be changed into a prime (42949863569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 536873255 + ... + 536873334.

Almost surely, 2^42949863560 is an apocalyptic number.

42949863560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42949863560 is an abundant number, since it is smaller than the sum of its proper divisors (53687329540).

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

42949863560 is a wasteful number, since it uses less digits than its factorization.

42949863560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073746600 (or 1073746596 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 56.

The spelling of 42949863560 in words is "forty-two billion, nine hundred forty-nine million, eight hundred sixty-three thousand, five hundred sixty".