49103425920 has 128 divisors (see below), whose sum is σ = 156579171840. Its totient is φ = 13089060864.

The previous prime is 49103425913. The next prime is 49103425927. The reversal of 49103425920 is 2952430194.

It is an interprime number because it is at equal distance from previous prime (49103425913) and next prime (49103425927).

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×49103425920² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49103425927) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 9180687 + ... + 9186033.

It is an arithmetic number, because the mean of its divisors is an integer number (1223274780).

Almost surely, 2^49103425920 is an apocalyptic number.

49103425920 is a gapful number since it is divisible by the number (40) 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 49103425920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78289585920).

49103425920 is an abundant number, since it is smaller than the sum of its proper divisors (107475745920).

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

49103425920 is a wasteful number, since it uses less digits than its factorization.

49103425920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10152 (or 10140 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The spelling of 49103425920 in words is "forty-nine billion, one hundred three million, four hundred twenty-five thousand, nine hundred twenty".