41780387509 has 8 divisors (see below), whose sum is σ = 47780627328. Its totient is φ = 35788050960.

The previous prime is 41780387479. The next prime is 41780387513. The reversal of 41780387509 is 90578308714.

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

It is a cyclic number.

It is not a de Polignac number, because 41780387509 - 2¹⁷ = 41780256437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41780387009) 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, 1964482 + ... + 1985635.

It is an arithmetic number, because the mean of its divisors is an integer number (5972578416).

Almost surely, 2^41780387509 is an apocalyptic number.

It is an amenable number.

41780387509 is a deficient number, since it is larger than the sum of its proper divisors (6000239819).

41780387509 is a wasteful number, since it uses less digits than its factorization.

41780387509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3951635.

The product of its (nonzero) digits is 1693440, while the sum is 52.

The spelling of 41780387509 in words is "forty-one billion, seven hundred eighty million, three hundred eighty-seven thousand, five hundred nine".