2040561312 has 48 divisors (see below), whose sum is σ = 5375472480. Its totient is φ = 677774592.

The previous prime is 2040561287. The next prime is 2040561343. The reversal of 2040561312 is 2131650402.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×2040561312² = 8327780936062322688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10387 + ... + 64722.

It is an arithmetic number, because the mean of its divisors is an integer number (111989010).

Almost surely, 2^2040561312 is an apocalyptic number.

It is an amenable number.

2040561312 is an abundant number, since it is smaller than the sum of its proper divisors (3334911168).

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

2040561312 is a wasteful number, since it uses less digits than its factorization.

2040561312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75405 (or 75397 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2040561312 is about 45172.5725634483. The cubic root of 2040561312 is about 1268.3814527044.

The spelling of 2040561312 in words is "two billion, forty million, five hundred sixty-one thousand, three hundred twelve".