48522640 has 40 divisors (see below), whose sum is σ = 117724608. Its totient is φ = 18564480.

The previous prime is 48522631. The next prime is 48522647. The reversal of 48522640 is 4622584.

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

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

It is not an unprimeable number, because it can be changed into a prime (48522647) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 11346 + ... + 15025.

Almost surely, 2^48522640 is an apocalyptic number.

48522640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

48522640 is an abundant number, since it is smaller than the sum of its proper divisors (69201968).

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

48522640 is a wasteful number, since it uses less digits than its factorization.

48522640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26407 (or 26401 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 48522640 is about 6965.8194062149. The cubic root of 48522640 is about 364.7383876274.

The spelling of 48522640 in words is "forty-eight million, five hundred twenty-two thousand, six hundred forty".