49544040 has 192 divisors, whose sum is σ = 184464000. Its totient is φ = 10423296.

The previous prime is 49544023. The next prime is 49544051. The reversal of 49544040 is 4044594.

It is a super-2 number, since 2×49544040² = 4909223799043200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 49543989 and 49544007.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 141786 + ... + 142134.

It is an arithmetic number, because the mean of its divisors is an integer number (960750).

Almost surely, 2^49544040 is an apocalyptic number.

49544040 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 49544040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92232000).

49544040 is an abundant number, since it is smaller than the sum of its proper divisors (134919960).

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

49544040 is a wasteful number, since it uses less digits than its factorization.

49544040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396 (or 379 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 49544040 is about 7038.7527304204. The cubic root of 49544040 is about 367.2798811409.

The spelling of 49544040 in words is "forty-nine million, five hundred forty-four thousand, forty".