1896042240 has 108 divisors (see below), whose sum is σ = 6560148504. Its totient is φ = 505608192.

The previous prime is 1896042223. The next prime is 1896042241. The reversal of 1896042240 is 422406981.

1896042240 is a `hidden beast` number, since 1 + 8 + 9 + 604 + 2 + 2 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1896042195 and 1896042204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1896042241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70774 + ... + 93813.

Almost surely, 2^1896042240 is an apocalyptic number.

1896042240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1896042240 is an abundant number, since it is smaller than the sum of its proper divisors (4664106264).

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

1896042240 is a wasteful number, since it uses less digits than its factorization.

1896042240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164614 (or 164597 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 1896042240 is about 43543.5671483171. The cubic root of 1896042240 is about 1237.7017436623.

It can be divided in two parts, 189604 and 2240, that added together give a square (191844 = 438²).

The spelling of 1896042240 in words is "one billion, eight hundred ninety-six million, forty-two thousand, two hundred forty".