49118689830 has 128 divisors (see below), whose sum is σ = 141094545408. Its totient is φ = 10699932672.

The previous prime is 49118689801. The next prime is 49118689889. The reversal of 49118689830 is 3898681194.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1319554 + ... + 1356266.

It is an arithmetic number, because the mean of its divisors is an integer number (1102301136).

Almost surely, 2^49118689830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49118689830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70547272704).

49118689830 is an abundant number, since it is smaller than the sum of its proper divisors (91975855578).

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

49118689830 is a wasteful number, since it uses less digits than its factorization.

49118689830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37030.

The product of its (nonzero) digits is 2985984, while the sum is 57.

The spelling of 49118689830 in words is "forty-nine billion, one hundred eighteen million, six hundred eighty-nine thousand, eight hundred thirty".