49149938688 has 528 divisors, whose sum is σ = 152029543680. Its totient is φ = 14069006336.

The previous prime is 49149938687. The next prime is 49149938689. The reversal of 49149938688 is 88683994194.

It is an interprime number because it is at equal distance from previous prime (49149938687) and next prime (49149938689).

It is a super-2 number, since 2×49149938688² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (69).

Its product of digits (107495424) is a multiple of the sum of its prime factors (192).

It is not an unprimeable number, because it can be changed into a prime (49149938687) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 592167895 + ... + 592167977.

Almost surely, 2^49149938688 is an apocalyptic number.

49149938688 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49149938688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76014771840).

49149938688 is an abundant number, since it is smaller than the sum of its proper divisors (102879604992).

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

49149938688 is a wasteful number, since it uses less digits than its factorization.

49149938688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192 (or 157 counting only the distinct ones).

The product of its digits is 107495424, while the sum is 69.

The spelling of 49149938688 in words is "forty-nine billion, one hundred forty-nine million, nine hundred thirty-eight thousand, six hundred eighty-eight".