49418440 has 32 divisors (see below), whose sum is σ = 112052160. Its totient is φ = 19614400.

The previous prime is 49418431. The next prime is 49418441. The reversal of 49418440 is 4481494.

It is a junction number, because it is equal to n+sod(n) for n = 49418396 and 49418405.

It is not an unprimeable number, because it can be changed into a prime (49418441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 525 + ... + 9955.

It is an arithmetic number, because the mean of its divisors is an integer number (3501630).

Almost surely, 2^49418440 is an apocalyptic number.

49418440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49418440 is an abundant number, since it is smaller than the sum of its proper divisors (62633720).

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

49418440 is a wasteful number, since it uses less digits than its factorization.

49418440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9573 (or 9569 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 49418440 is about 7029.8250333845. The cubic root of 49418440 is about 366.9692525228.

The spelling of 49418440 in words is "forty-nine million, four hundred eighteen thousand, four hundred forty".