2021480154 has 24 divisors (see below), whose sum is σ = 4486701492. Its totient is φ = 657391680.

The previous prime is 2021480137. The next prime is 2021480179. The reversal of 2021480154 is 4510841202.

It can be written as a sum of positive squares in 2 ways, for example, as 2013945129 + 7535025 = 44877^2 + 2745^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1368829 + ... + 1370304.

Almost surely, 2^2021480154 is an apocalyptic number.

2021480154 is an abundant number, since it is smaller than the sum of its proper divisors (2465221338).

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

2021480154 is a wasteful number, since it uses less digits than its factorization.

2021480154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2739182 (or 2739179 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 2021480154 is about 44960.8735902673. The cubic root of 2021480154 is about 1264.4155473730.

The spelling of 2021480154 in words is "two billion, twenty-one million, four hundred eighty thousand, one hundred fifty-four".