49568040 has 96 divisors (see below), whose sum is σ = 162307080. Its totient is φ = 13118976.

The previous prime is 49568021. The next prime is 49568053. The reversal of 49568040 is 4086594.

It can be written as a sum of positive squares in 4 ways, for example, as 42693156 + 6874884 = 6534^2 + 2622^2 .

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 = 49567986 and 49568004.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56082 + ... + 56958.

Almost surely, 2^49568040 is an apocalyptic number.

49568040 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 49568040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81153540).

49568040 is an abundant number, since it is smaller than the sum of its proper divisors (112739040).

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

49568040 is a wasteful number, since it uses less digits than its factorization.

49568040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051 (or 1044 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 49568040 is about 7040.4573715065. The cubic root of 49568040 is about 367.3391771678.

It can be divided in two parts, 4956 and 8040, that added together give a square (12996 = 114²).

The spelling of 49568040 in words is "forty-nine million, five hundred sixty-eight thousand, forty".