2684400435396 has 63 divisors (see below), whose sum is σ = 7043561272573. Its totient is φ = 894770653680.

The previous prime is 2684400435373. The next prime is 2684400435461. The reversal of 2684400435396 is 6935340044862.

The square root of 2684400435396 is 1638414.

It is a perfect power (a square), and thus also a powerful number.

2684400435396 is a `hidden beast` number, since 2 + 6 + 84 + 40 + 0 + 435 + 3 + 96 = 666.

It can be written as a sum of positive squares in only one way, i.e., 440516273796 + 2243884161600 = 663714^2 + 1497960^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 88459186 + ... + 88489526.

Almost surely, 2^{2684400435396} is an apocalyptic number.

2684400435396 is the 1638414-th square number.

It is an amenable number.

2684400435396 is an abundant number, since it is smaller than the sum of its proper divisors (4359160837177).

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

2684400435396 is an frugal number, since it uses more digits than its factorization.

2684400435396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60704 (or 30346 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 54.

The spelling of 2684400435396 in words is "two trillion, six hundred eighty-four billion, four hundred million, four hundred thirty-five thousand, three hundred ninety-six".