49567440 has 80 divisors (see below), whose sum is σ = 165489408. Its totient is φ = 12200448.

The previous prime is 49567439. The next prime is 49567459. The reversal of 49567440 is 4476594.

It is a happy number.

49567440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×49567440² = 4913862216307200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4824 + ... + 11063.

Almost surely, 2^49567440 is an apocalyptic number.

49567440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49567440 is an abundant number, since it is smaller than the sum of its proper divisors (115921968).

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

49567440 is a wasteful number, since it uses less digits than its factorization.

49567440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15916 (or 15910 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 49567440 is about 7040.4147605095. The cubic root of 49567440 is about 367.3376950005.

The spelling of 49567440 in words is "forty-nine million, five hundred sixty-seven thousand, four hundred forty".