49408340 has 12 divisors (see below), whose sum is σ = 103757556. Its totient is φ = 19763328.

The previous prime is 49408339. The next prime is 49408343. The reversal of 49408340 is 4380494.

It can be written as a sum of positive squares in 2 ways, for example, as 19945156 + 29463184 = 4466^2 + 5428^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 49408297 and 49408306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49408343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1235189 + ... + 1235228.

It is an arithmetic number, because the mean of its divisors is an integer number (8646463).

Almost surely, 2^49408340 is an apocalyptic number.

It is an amenable number.

49408340 is an abundant number, since it is smaller than the sum of its proper divisors (54349216).

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

49408340 is a wasteful number, since it uses less digits than its factorization.

49408340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2470426 (or 2470424 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 49408340 is about 7029.1066288683. The cubic root of 49408340 is about 366.9442507760.

The spelling of 49408340 in words is "forty-nine million, four hundred eight thousand, three hundred forty".