49120920 has 48 divisors (see below), whose sum is σ = 159644160. Its totient is φ = 13098816.

The previous prime is 49120919. The next prime is 49120927. The reversal of 49120920 is 2902194.

49120920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49120927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67864 + ... + 68583.

It is an arithmetic number, because the mean of its divisors is an integer number (3325920).

Almost surely, 2^49120920 is an apocalyptic number.

49120920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49120920 is an abundant number, since it is smaller than the sum of its proper divisors (110523240).

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

49120920 is a wasteful number, since it uses less digits than its factorization.

49120920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136464 (or 136457 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 49120920 is about 7008.6318208335. The cubic root of 49120920 is about 366.2313327469.

The spelling of 49120920 in words is "forty-nine million, one hundred twenty thousand, nine hundred twenty".