49773240 has 96 divisors (see below), whose sum is σ = 176482800. Its totient is φ = 12065280.

The previous prime is 49773233. The next prime is 49773247. The reversal of 49773240 is 4237794.

It is an interprime number because it is at equal distance from previous prime (49773233) and next prime (49773247).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 49773195 and 49773204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49773247) 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 23 ways as a sum of consecutive naturals, for example, 2325 + ... + 10244.

Almost surely, 2^49773240 is an apocalyptic number.

49773240 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 49773240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88241400).

49773240 is an abundant number, since it is smaller than the sum of its proper divisors (126709560).

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

49773240 is a wasteful number, since it uses less digits than its factorization.

49773240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12597 (or 12590 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 49773240 is about 7055.0152374038. The cubic root of 49773240 is about 367.8453784890.

It can be divided in two parts, 497 and 73240, that added together give a palindrome (73737).

The spelling of 49773240 in words is "forty-nine million, seven hundred seventy-three thousand, two hundred forty".