49309020 has 96 divisors (see below), whose sum is σ = 154828800. Its totient is φ = 13027392.

The previous prime is 49308997. The next prime is 49309031. The reversal of 49309020 is 2090394.

49309020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 68221 + ... + 68939.

It is an arithmetic number, because the mean of its divisors is an integer number (1612800).

Almost surely, 2^49309020 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 49309020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77414400).

49309020 is an abundant number, since it is smaller than the sum of its proper divisors (105519780).

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

49309020 is a wasteful number, since it uses less digits than its factorization.

49309020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864 (or 856 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 49309020 is about 7022.0381656610. The cubic root of 49309020 is about 366.6982103258.

The spelling of 49309020 in words is "forty-nine million, three hundred nine thousand, twenty".