2040536375778 has 8 divisors (see below), whose sum is σ = 4081072751568. Its totient is φ = 680178791924.

The previous prime is 2040536375747. The next prime is 2040536375809. The reversal of 2040536375778 is 8775736350402.

It is an interprime number because it is at equal distance from previous prime (2040536375747) and next prime (2040536375809).

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

2040536375778 is an admirable 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, 170044697976 + ... + 170044697987.

It is an arithmetic number, because the mean of its divisors is an integer number (510134093946).

Almost surely, 2^{2040536375778} is an apocalyptic number.

2040536375778 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2040536375778 is a wasteful number, since it uses less digits than its factorization.

2040536375778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340089395968.

The product of its (nonzero) digits is 29635200, while the sum is 57.

The spelling of 2040536375778 in words is "two trillion, forty billion, five hundred thirty-six million, three hundred seventy-five thousand, seven hundred seventy-eight".