1900842256 has 20 divisors (see below), whose sum is σ = 3684142300. Its totient is φ = 950095872.

The previous prime is 1900842253. The next prime is 1900842259. The reversal of 1900842256 is 6522480091.

It is an interprime number because it is at equal distance from previous prime (1900842253) and next prime (1900842259).

It can be written as a sum of positive squares in 2 ways, for example, as 1684281600 + 216560656 = 41040^2 + 14716^2 .

It is a super-2 number, since 2×1900842256² = 7226402564390339072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1900842253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31960 + ... + 69448.

It is an arithmetic number, because the mean of its divisors is an integer number (184207115).

Almost surely, 2^1900842256 is an apocalyptic number.

1900842256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1900842256 is a deficient number, since it is larger than the sum of its proper divisors (1783300044).

1900842256 is a wasteful number, since it uses less digits than its factorization.

1900842256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40666 (or 40660 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 1900842256 is about 43598.6497038612. The cubic root of 1900842256 is about 1238.7453177786.

The spelling of 1900842256 in words is "one billion, nine hundred million, eight hundred forty-two thousand, two hundred fifty-six".