49634442 has 72 divisors (see below), whose sum is σ = 127371972. Its totient is φ = 13875840.

The previous prime is 49634413. The next prime is 49634449. The reversal of 49634442 is 24443694.

It can be written as a sum of positive squares in 2 ways, for example, as 38081241 + 11553201 = 6171^2 + 3399^2 .

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 49634397 and 49634406.

It is not an unprimeable number, because it can be changed into a prime (49634449) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 27438 + ... + 29190.

Almost surely, 2^49634442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49634442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63685986).

49634442 is an abundant number, since it is smaller than the sum of its proper divisors (77737530).

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

49634442 is a wasteful number, since it uses less digits than its factorization.

49634442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1796 (or 1782 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The square root of 49634442 is about 7045.1715380110. The cubic root of 49634442 is about 367.5031347782.

The spelling of 49634442 in words is "forty-nine million, six hundred thirty-four thousand, four hundred forty-two".