48013640 has 16 divisors (see below), whose sum is σ = 108030780. Its totient is φ = 19205440.

The previous prime is 48013579. The next prime is 48013657. The reversal of 48013640 is 4631084.

It can be written as a sum of positive squares in 2 ways, for example, as 46977316 + 1036324 = 6854^2 + 1018^2 .

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, 600131 + ... + 600210.

Almost surely, 2^48013640 is an apocalyptic number.

48013640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

48013640 is an abundant number, since it is smaller than the sum of its proper divisors (60017140).

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

48013640 is a wasteful number, since it uses less digits than its factorization.

48013640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1200352 (or 1200348 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 48013640 is about 6929.1875425623. The cubic root of 48013640 is about 363.4585396463.

The spelling of 48013640 in words is "forty-eight million, thirteen thousand, six hundred forty".