50640490437 has 8 divisors (see below), whose sum is σ = 67545887136. Its totient is φ = 33747710352.

The previous prime is 50640490391. The next prime is 50640490457. The reversal of 50640490437 is 73409404605.

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

It is not a de Polignac number, because 50640490437 - 2⁷ = 50640490309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50640490457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3144783 + ... + 3160844.

It is an arithmetic number, because the mean of its divisors is an integer number (8443235892).

Almost surely, 2^50640490437 is an apocalyptic number.

It is an amenable number.

50640490437 is a deficient number, since it is larger than the sum of its proper divisors (16905396699).

50640490437 is a wasteful number, since it uses less digits than its factorization.

50640490437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6308307.

The product of its (nonzero) digits is 362880, while the sum is 42.

The spelling of 50640490437 in words is "fifty billion, six hundred forty million, four hundred ninety thousand, four hundred thirty-seven".