2040155044000 has 48 divisors (see below), whose sum is σ = 5012660952936. Its totient is φ = 816062016000.

The previous prime is 2040155043967. The next prime is 2040155044091. The reversal of 2040155044000 is 4405510402.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1282356937744 + 757798106256 = 1132412^2 + 870516^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

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, 255015381 + ... + 255023380.

Almost surely, 2^{2040155044000} is an apocalyptic number.

2040155044000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2040155044000 is an abundant number, since it is smaller than the sum of its proper divisors (2972505908936).

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

2040155044000 is an equidigital number, since it uses as much as digits as its factorization.

2040155044000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510038786 (or 510038768 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The spelling of 2040155044000 in words is "two trillion, forty billion, one hundred fifty-five million, forty-four thousand".