4354253640 has 96 divisors (see below), whose sum is σ = 15437822400. Its totient is φ = 1055575680.

The previous prime is 4354253611. The next prime is 4354253641. The reversal of 4354253640 is 463524534.

4354253640 is a `hidden beast` number, since 4 + 3 + 5 + 4 + 2 + 5 + 3 + 640 = 666.

It is a super-5 number, since 5×4354253640⁵ (a number of 49 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 4354253595 and 4354253604.

It is not an unprimeable number, because it can be changed into a prime (4354253641) 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 23 ways as a sum of consecutive naturals, for example, 545820 + ... + 553739.

It is an arithmetic number, because the mean of its divisors is an integer number (160810650).

Almost surely, 2^4354253640 is an apocalyptic number.

4354253640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4354253640 is an abundant number, since it is smaller than the sum of its proper divisors (11083568760).

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

4354253640 is a wasteful number, since it uses less digits than its factorization.

4354253640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099587 (or 1099580 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

The square root of 4354253640 is about 65986.7686737273. The cubic root of 4354253640 is about 1632.9438114122.

The spelling of 4354253640 in words is "four billion, three hundred fifty-four million, two hundred fifty-three thousand, six hundred forty".