2048778402 has 16 divisors (see below), whose sum is σ = 4470062112. Its totient is φ = 620841920.

The previous prime is 2048778401. The next prime is 2048778421.

2048778402 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (2048778401) 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, 15520983 + ... + 15521114.

It is an arithmetic number, because the mean of its divisors is an integer number (279378882).

Almost surely, 2^2048778402 is an apocalyptic number.

2048778402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2048778402 is an abundant number, since it is smaller than the sum of its proper divisors (2421283710).

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

2048778402 is a wasteful number, since it uses less digits than its factorization.

2048778402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31042113.

The product of its (nonzero) digits is 200704, while the sum is 42.

The square root of 2048778402 is about 45263.4333872277. The cubic root of 2048778402 is about 1270.0817113194.

It can be divided in two parts, 20487 and 78402, that added together give a palindrome (98889).

The spelling of 2048778402 in words is "two billion, forty-eight million, seven hundred seventy-eight thousand, four hundred two".