48642090 has 128 divisors (see below), whose sum is σ = 143216640. Its totient is φ = 10326528.

The previous prime is 48642089. The next prime is 48642091. The reversal of 48642090 is 9024684.

It is an interprime number because it is at equal distance from previous prime (48642089) and next prime (48642091).

It is not an unprimeable number, because it can be changed into a prime (48642091) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 291187 + ... + 291353.

It is an arithmetic number, because the mean of its divisors is an integer number (1118880).

Almost surely, 2^48642090 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 48642090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71608320).

48642090 is an abundant number, since it is smaller than the sum of its proper divisors (94574550).

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

48642090 is a wasteful number, since it uses less digits than its factorization.

48642090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 48642090 is about 6974.3881452067. The cubic root of 48642090 is about 365.0374390820.

The spelling of 48642090 in words is "forty-eight million, six hundred forty-two thousand, ninety".