49180020736 has 416 divisors, whose sum is σ = 133991654400. Its totient is φ = 17464688640.

The previous prime is 49180020719. The next prime is 49180020739. The reversal of 49180020736 is 63702008194.

It is not an unprimeable number, because it can be changed into a prime (49180020739) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 173780851 + ... + 173781133.

Almost surely, 2^49180020736 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 49180020736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66995827200).

49180020736 is an abundant number, since it is smaller than the sum of its proper divisors (84811633664).

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

49180020736 is a wasteful number, since it uses less digits than its factorization.

49180020736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373 (or 351 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The spelling of 49180020736 in words is "forty-nine billion, one hundred eighty million, twenty thousand, seven hundred thirty-six".