49459440 has 40 divisors (see below), whose sum is σ = 153325008. Its totient is φ = 13189120.

The previous prime is 49459439. The next prime is 49459447. The reversal of 49459440 is 4495494.

49459440 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 (40).

It is a super-2 number, since 2×49459440² = 4892472410227200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49459447) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 102801 + ... + 103280.

Almost surely, 2^49459440 is an apocalyptic number.

49459440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49459440 is an abundant number, since it is smaller than the sum of its proper divisors (103865568).

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

49459440 is a wasteful number, since it uses less digits than its factorization.

49459440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206097 (or 206091 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 49459440 is about 7032.7405753376. The cubic root of 49459440 is about 367.0707097951.

The spelling of 49459440 in words is "forty-nine million, four hundred fifty-nine thousand, four hundred forty".