1896272078550 has 48 divisors (see below), whose sum is σ = 4854456532992. Its totient is φ = 489360535200.

The previous prime is 1896272078513. The next prime is 1896272078551. The reversal of 1896272078550 is 558702726981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1896272078551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 203895574 + ... + 203904873.

It is an arithmetic number, because the mean of its divisors is an integer number (101134511104).

Almost surely, 2^{1896272078550} is an apocalyptic number.

1896272078550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1896272078550 is an abundant number, since it is smaller than the sum of its proper divisors (2958184454442).

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

1896272078550 is a wasteful number, since it uses less digits than its factorization.

1896272078550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407800493 (or 407800488 counting only the distinct ones).

The product of its (nonzero) digits is 16934400, while the sum is 60.

The spelling of 1896272078550 in words is "one trillion, eight hundred ninety-six billion, two hundred seventy-two million, seventy-eight thousand, five hundred fifty".