2460004006644 has 36 divisors (see below), whose sum is σ = 6218398875780. Its totient is φ = 819994028160.

The previous prime is 2460004006627. The next prime is 2460004006699. The reversal of 2460004006644 is 4466004000642.

It is a happy number.

2460004006644 is a `hidden beast` number, since 2 + 4 + 6 + 0 + 0 + 0 + 4 + 0 + 0 + 6 + 644 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 325570665744 + 2134433340900 = 570588^2 + 1460970^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×2460004006644² (a number of 26 digits) contains 22 as substring.

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 = 2460004006599 and 2460004006608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5110702 + ... + 5571290.

It is an arithmetic number, because the mean of its divisors is an integer number (172733302105).

Almost surely, 2^{2460004006644} is an apocalyptic number.

It is an amenable number.

2460004006644 is an abundant number, since it is smaller than the sum of its proper divisors (3758394869136).

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

2460004006644 is a wasteful number, since it uses less digits than its factorization.

2460004006644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608960 (or 608955 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

The spelling of 2460004006644 in words is "two trillion, four hundred sixty billion, four million, six thousand, six hundred forty-four".