42790209724 has 6 divisors (see below), whose sum is σ = 74882867024. Its totient is φ = 21395104860.

The previous prime is 42790209701. The next prime is 42790209727.

42790209724 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42790209727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5348776212 + ... + 5348776219.

Almost surely, 2^42790209724 is an apocalyptic number.

It is an amenable number.

42790209724 is a deficient number, since it is larger than the sum of its proper divisors (32092657300).

42790209724 is a wasteful number, since it uses less digits than its factorization.

42790209724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10697552435 (or 10697552433 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 46.

The spelling of 42790209724 in words is "forty-two billion, seven hundred ninety million, two hundred nine thousand, seven hundred twenty-four".