4394377148 has 24 divisors (see below), whose sum is σ = 9170875392. Its totient is φ = 1801421424.

The previous prime is 4394377139. The next prime is 4394377153. The reversal of 4394377148 is 8417734934.

It is a happy number.

It is a super-2 number, since 2×4394377148² = 38621101037729227808, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4394377096 and 4394377105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3411140 + ... + 3412427.

It is an arithmetic number, because the mean of its divisors is an integer number (382119808).

Almost surely, 2^4394377148 is an apocalyptic number.

It is an amenable number.

4394377148 is an abundant number, since it is smaller than the sum of its proper divisors (4776498244).

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

4394377148 is a wasteful number, since it uses less digits than its factorization.

4394377148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6823601 (or 6823599 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 50.

The square root of 4394377148 is about 66290.0984159776. The cubic root of 4394377148 is about 1637.9442251306.

The spelling of 4394377148 in words is "four billion, three hundred ninety-four million, three hundred seventy-seven thousand, one hundred forty-eight".