49469490 has 192 divisors, whose sum is σ = 161740800. Its totient is φ = 10229760.

The previous prime is 49469489. The next prime is 49469491. The reversal of 49469490 is 9496494.

49469490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (49469489) and next prime (49469491).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49469491) 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 95 ways as a sum of consecutive naturals, for example, 331936 + ... + 332084.

It is an arithmetic number, because the mean of its divisors is an integer number (842400).

Almost surely, 2^49469490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49469490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80870400).

49469490 is an abundant number, since it is smaller than the sum of its proper divisors (112271310).

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

49469490 is a wasteful number, since it uses less digits than its factorization.

49469490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217 (or 214 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 49469490 is about 7033.4550542390. The cubic root of 49469490 is about 367.0955706427.

The spelling of 49469490 in words is "forty-nine million, four hundred sixty-nine thousand, four hundred ninety".