2061001404 has 72 divisors (see below), whose sum is σ = 6495285888. Its totient is φ = 535324320.

The previous prime is 2061001403. The next prime is 2061001433. The reversal of 2061001404 is 4041001602.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2061001403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 368982 + ... + 374525.

It is an arithmetic number, because the mean of its divisors is an integer number (90212304).

Almost surely, 2^2061001404 is an apocalyptic number.

It is an amenable number.

2061001404 is an abundant number, since it is smaller than the sum of its proper divisors (4434284484).

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

2061001404 is a wasteful number, since it uses less digits than its factorization.

2061001404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743535 (or 743530 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2061001404 is about 45398.2533144173. The cubic root of 2061001404 is about 1272.6024721047.

The spelling of 2061001404 in words is "two billion, sixty-one million, one thousand, four hundred four".