49638080490 has 32 divisors (see below), whose sum is σ = 122037039936. Its totient is φ = 12913971840.

The previous prime is 49638080489. The next prime is 49638080501. The reversal of 49638080490 is 9408083694.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20176852 + ... + 20179311.

It is an arithmetic number, because the mean of its divisors is an integer number (3813657498).

Almost surely, 2^49638080490 is an apocalyptic number.

49638080490 is an abundant number, since it is smaller than the sum of its proper divisors (72398959446).

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

49638080490 is a wasteful number, since it uses less digits than its factorization.

49638080490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40356214.

The product of its (nonzero) digits is 1492992, while the sum is 51.

The spelling of 49638080490 in words is "forty-nine billion, six hundred thirty-eight million, eighty thousand, four hundred ninety".