48040040 has 16 divisors (see below), whose sum is σ = 108090180. Its totient is φ = 19216000.

The previous prime is 48040039. The next prime is 48040081. The reversal of 48040040 is 4004084.

It can be written as a sum of positive squares in 2 ways, for example, as 39664804 + 8375236 = 6298^2 + 2894^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a plaindrome in base 7.

It is a zygodrome in base 7.

It is a junction number, because it is equal to n+sod(n) for n = 48039994 and 48040021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 600461 + ... + 600540.

Almost surely, 2^48040040 is an apocalyptic number.

48040040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

48040040 is an abundant number, since it is smaller than the sum of its proper divisors (60050140).

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

48040040 is a wasteful number, since it uses less digits than its factorization.

48040040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201012 (or 1201008 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 48040040 is about 6931.0922660141. The cubic root of 48040040 is about 363.5251425765.

The spelling of 48040040 in words is "forty-eight million, forty thousand, forty".