2040578 has 8 divisors (see below), whose sum is σ = 3240972. Its totient is φ = 960256.

The previous prime is 2040559. The next prime is 2040593. The reversal of 2040578 is 8750402.

2040578 = T₂₅₇ + T₂₅₈ + ... + T₃₀₇.

It can be written as a sum of positive squares in 2 ways, for example, as 1787569 + 253009 = 1337^2 + 503^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29975 + ... + 30042.

2^2040578 is an apocalyptic number.

2040578 is a deficient number, since it is larger than the sum of its proper divisors (1200394).

2040578 is a wasteful number, since it uses less digits than its factorization.

2040578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60036.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 2040578 is about 1428.4880118503. The cubic root of 2040578 is about 126.8384910363.

The spelling of 2040578 in words is "two million, forty thousand, five hundred seventy-eight".