49440785628 has 192 divisors, whose sum is σ = 134211893760. Its totient is φ = 14038106112.

The previous prime is 49440785599. The next prime is 49440785759. The reversal of 49440785628 is 82658704494.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17957500 + ... + 17960252.

It is an arithmetic number, because the mean of its divisors is an integer number (699020280).

Almost surely, 2^49440785628 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 49440785628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67105946880).

49440785628 is an abundant number, since it is smaller than the sum of its proper divisors (84771108132).

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

49440785628 is a wasteful number, since it uses less digits than its factorization.

49440785628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2948 (or 2946 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 57.

The spelling of 49440785628 in words is "forty-nine billion, four hundred forty million, seven hundred eighty-five thousand, six hundred twenty-eight".