49420598136 has 512 divisors, whose sum is σ = 166471925760. Its totient is φ = 11858337792.

The previous prime is 49420598099. The next prime is 49420598159. The reversal of 49420598136 is 63189502494.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 221616921 + ... + 221617143.

It is an arithmetic number, because the mean of its divisors is an integer number (325140480).

Almost surely, 2^49420598136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49420598136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83235962880).

49420598136 is an abundant number, since it is smaller than the sum of its proper divisors (117051327624).

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

49420598136 is a wasteful number, since it uses less digits than its factorization.

49420598136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443 (or 439 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 51.

The spelling of 49420598136 in words is "forty-nine billion, four hundred twenty million, five hundred ninety-eight thousand, one hundred thirty-six".