42580406949 has 8 divisors (see below), whose sum is σ = 56898109440. Its totient is φ = 28324821216.

The previous prime is 42580406929. The next prime is 42580406987. The reversal of 42580406949 is 94960408524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42580406949 - 2¹² = 42580402853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42580406909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15527589 + ... + 15530330.

It is an arithmetic number, because the mean of its divisors is an integer number (7112263680).

Almost surely, 2^42580406949 is an apocalyptic number.

It is an amenable number.

42580406949 is a deficient number, since it is larger than the sum of its proper divisors (14317702491).

42580406949 is a wasteful number, since it uses less digits than its factorization.

42580406949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31058379.

The product of its (nonzero) digits is 2488320, while the sum is 51.

The spelling of 42580406949 in words is "forty-two billion, five hundred eighty million, four hundred six thousand, nine hundred forty-nine".