2646015402 has 16 divisors (see below), whose sum is σ = 5292535392. Its totient is φ = 881921040.

The previous prime is 2646015391. The next prime is 2646015403. The reversal of 2646015402 is 2045106462.

It is a self number, because there is not a number n which added to its sum of digits gives 2646015402.

It is not an unprimeable number, because it can be changed into a prime (2646015403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109113 + ... + 131139.

It is an arithmetic number, because the mean of its divisors is an integer number (330783462).

Almost surely, 2^2646015402 is an apocalyptic number.

2646015402 is an abundant number, since it is smaller than the sum of its proper divisors (2646519990).

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

2646015402 is a wasteful number, since it uses less digits than its factorization.

2646015402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42053.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 2646015402 is about 51439.4343087091. The cubic root of 2646015402 is about 1383.1335712835.

The spelling of 2646015402 in words is "two billion, six hundred forty-six million, fifteen thousand, four hundred two".