2646415338 has 32 divisors (see below), whose sum is σ = 6148118400. Its totient is φ = 743722560.

The previous prime is 2646415337. The next prime is 2646415339. The reversal of 2646415338 is 8335146462.

It is an interprime number because it is at equal distance from previous prime (2646415337) and next prime (2646415339).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 2646415338.

It is not an unprimeable number, because it can be changed into a prime (2646415333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 513913 + ... + 519036.

It is an arithmetic number, because the mean of its divisors is an integer number (192128700).

Almost surely, 2^2646415338 is an apocalyptic number.

2646415338 is an abundant number, since it is smaller than the sum of its proper divisors (3501703062).

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

2646415338 is a wasteful number, since it uses less digits than its factorization.

2646415338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033022.

The product of its digits is 414720, while the sum is 42.

The square root of 2646415338 is about 51443.3216073768. The cubic root of 2646415338 is about 1383.2032530448.

The spelling of 2646415338 in words is "two billion, six hundred forty-six million, four hundred fifteen thousand, three hundred thirty-eight".