49075640 has 16 divisors (see below), whose sum is σ = 110420280. Its totient is φ = 19630240.

The previous prime is 49075639. The next prime is 49075643. The reversal of 49075640 is 4657094.

It is a self number, because there is not a number n which added to its sum of digits gives 49075640.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49075643) 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, 613406 + ... + 613485.

Almost surely, 2^49075640 is an apocalyptic number.

49075640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49075640 is an abundant number, since it is smaller than the sum of its proper divisors (61344640).

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

49075640 is a wasteful number, since it uses less digits than its factorization.

49075640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226902 (or 1226898 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 49075640 is about 7005.4007736888. The cubic root of 49075640 is about 366.1187666360.

The spelling of 49075640 in words is "forty-nine million, seventy-five thousand, six hundred forty".