42954979860 has 576 divisors, whose sum is σ = 154517932800. Its totient is φ = 9841886208.

The previous prime is 42954979853. The next prime is 42954979867. The reversal of 42954979860 is 6897945924.

42954979860 is a `hidden beast` number, since 4 + 2 + 9 + 549 + 7 + 9 + 86 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (42954979853) and next prime (42954979867).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42954979867) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 159683806 + ... + 159684074.

It is an arithmetic number, because the mean of its divisors is an integer number (268260300).

Almost surely, 2^42954979860 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 42954979860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77258966400).

42954979860 is an abundant number, since it is smaller than the sum of its proper divisors (111562952940).

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

42954979860 is a wasteful number, since it uses less digits than its factorization.

42954979860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389 (or 358 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 63.

The spelling of 42954979860 in words is "forty-two billion, nine hundred fifty-four million, nine hundred seventy-nine thousand, eight hundred sixty".