1940539439250 has 48 divisors (see below), whose sum is σ = 5247218649816. Its totient is φ = 517477183200.

The previous prime is 1940539439231. The next prime is 1940539439263. The reversal of 1940539439250 is 529349350491.

1940539439250 is a `hidden beast` number, since 1 + 9 + 40 + 539 + 43 + 9 + 25 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 800754732801 + 1139784706449 = 894849^2 + 1067607^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 431228737 + ... + 431233236.

Almost surely, 2^{1940539439250} is an apocalyptic number.

1940539439250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1940539439250 is an abundant number, since it is smaller than the sum of its proper divisors (3306679210566).

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

1940539439250 is a wasteful number, since it uses less digits than its factorization.

1940539439250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862461996 (or 862461983 counting only the distinct ones).

The product of its (nonzero) digits is 5248800, while the sum is 54.

The spelling of 1940539439250 in words is "one trillion, nine hundred forty billion, five hundred thirty-nine million, four hundred thirty-nine thousand, two hundred fifty".