4664451240 has 48 divisors (see below), whose sum is σ = 15159467700. Its totient is φ = 1243853568.

The previous prime is 4664451203. The next prime is 4664451241. The reversal of 4664451240 is 421544664.

4664451240 is a `hidden beast` number, since 4 + 6 + 644 + 5 + 1 + 2 + 4 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3926024964 + 738426276 = 62658^2 + 27174^2 .

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 = 4664451195 and 4664451204.

It is not an unprimeable number, because it can be changed into a prime (4664451241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6478045 + ... + 6478764.

Almost surely, 2^4664451240 is an apocalyptic number.

4664451240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4664451240 is an abundant number, since it is smaller than the sum of its proper divisors (10495016460).

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

4664451240 is a wasteful number, since it uses less digits than its factorization.

4664451240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12956826 (or 12956819 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The square root of 4664451240 is about 68296.7879186130. The cubic root of 4664451240 is about 1670.8348270845.

The spelling of 4664451240 in words is "four billion, six hundred sixty-four million, four hundred fifty-one thousand, two hundred forty".