2640148 has 12 divisors (see below), whose sum is σ = 5280352. Its totient is φ = 1131480.

The previous prime is 2640139. The next prime is 2640163. The reversal of 2640148 is 8410462.

2640148 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47118 + ... + 47173.

2^2640148 is an apocalyptic number.

2640148 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2640148 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2640148 is a wasteful number, since it uses less digits than its factorization.

2640148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94302 (or 94300 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 2640148 is about 1624.8532241406. The cubic root of 2640148 is about 138.2110472354.

It can be divided in two parts, 264014 and 8, that multiplied together give a palindrome (2112112).

The spelling of 2640148 in words is "two million, six hundred forty thousand, one hundred forty-eight".