4395363840 has 240 divisors, whose sum is σ = 17397645408. Its totient is φ = 1004617728.

The previous prime is 4395363827. The next prime is 4395363919. The reversal of 4395363840 is 483635934.

4395363840 is a `hidden beast` number, since 4 + 3 + 9 + 5 + 3 + 638 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 147654 + ... + 174906.

Almost surely, 2^4395363840 is an apocalyptic number.

4395363840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4395363840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8698822704).

4395363840 is an abundant number, since it is smaller than the sum of its proper divisors (13002281568).

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

4395363840 is a wasteful number, since it uses less digits than its factorization.

4395363840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27289 (or 27270 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

The square root of 4395363840 is about 66297.5402258636. The cubic root of 4395363840 is about 1638.0668079573.

The spelling of 4395363840 in words is "four billion, three hundred ninety-five million, three hundred sixty-three thousand, eight hundred forty".