2041221402 has 48 divisors (see below), whose sum is σ = 4955120352. Its totient is φ = 601832160.

The previous prime is 2041221389. The next prime is 2041221409.

2041221402 is a `hidden beast` number, since 2 + 0 + 41 + 221 + 402 = 666.

2041221402 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2041221409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 131988 + ... + 146639.

It is an arithmetic number, because the mean of its divisors is an integer number (103231674).

Almost surely, 2^2041221402 is an apocalyptic number.

2041221402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2041221402 is an abundant number, since it is smaller than the sum of its proper divisors (2913898950).

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

2041221402 is a wasteful number, since it uses less digits than its factorization.

2041221402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278683 (or 278680 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 2041221402 is about 45179.8782866886. The cubic root of 2041221402 is about 1268.5182052155.

It can be divided in two parts, 20412 and 21402, that added together give a palindrome (41814).

The spelling of 2041221402 in words is "two billion, forty-one million, two hundred twenty-one thousand, four hundred two".