42634779340 has 24 divisors (see below), whose sum is σ = 90001804032. Its totient is φ = 16964622720.

The previous prime is 42634779323. The next prime is 42634779359. The reversal of 42634779340 is 4397743624.

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, 5576649 + ... + 5584288.

It is an arithmetic number, because the mean of its divisors is an integer number (3750075168).

Almost surely, 2^42634779340 is an apocalyptic number.

It is an amenable number.

42634779340 is an abundant number, since it is smaller than the sum of its proper divisors (47367024692).

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

42634779340 is a wasteful number, since it uses less digits than its factorization.

42634779340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11161137 (or 11161135 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 49.

The spelling of 42634779340 in words is "forty-two billion, six hundred thirty-four million, seven hundred seventy-nine thousand, three hundred forty".