4253662440 has 96 divisors (see below), whose sum is σ = 13979838600. Its totient is φ = 1121556480.

The previous prime is 4253662423. The next prime is 4253662451. The reversal of 4253662440 is 442663524.

4253662440 is a `hidden beast` number, since 4 + 25 + 3 + 6 + 624 + 4 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2879180964 + 1374481476 = 53658^2 + 37074^2 .

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 = 4253662395 and 4253662404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34341 + ... + 98420.

Almost surely, 2^4253662440 is an apocalyptic number.

4253662440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4253662440 is an abundant number, since it is smaller than the sum of its proper divisors (9726176160).

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

4253662440 is a wasteful number, since it uses less digits than its factorization.

4253662440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132867 (or 132860 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

The square root of 4253662440 is about 65220.1076356058. The cubic root of 4253662440 is about 1620.2710566107.

It can be divided in two parts, 42536 and 62440, that added together give a 4-th power (104976 = 18⁴).

The spelling of 4253662440 in words is "four billion, two hundred fifty-three million, six hundred sixty-two thousand, four hundred forty".