48263440 has 40 divisors (see below), whose sum is σ = 112557528. Its totient is φ = 19246080.

The previous prime is 48263399. The next prime is 48263447. The reversal of 48263440 is 4436284.

It can be written as a sum of positive squares in 4 ways, for example, as 984064 + 47279376 = 992^2 + 6876^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (48263447) 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, 32964 + ... + 34396.

Almost surely, 2^48263440 is an apocalyptic number.

48263440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

48263440 is an abundant number, since it is smaller than the sum of its proper divisors (64294088).

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

48263440 is a wasteful number, since it uses less digits than its factorization.

48263440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1867 (or 1861 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

The square root of 48263440 is about 6947.1893597339. The cubic root of 48263440 is about 364.0877701641.

The spelling of 48263440 in words is "forty-eight million, two hundred sixty-three thousand, four hundred forty".