1906041740 has 24 divisors (see below), whose sum is σ = 4176718560. Its totient is φ = 729267968.

The previous prime is 1906041737. The next prime is 1906041749. The reversal of 1906041740 is 471406091.

It is a super-2 number, since 2×1906041740² = 7265990229244455200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1906041697 and 1906041706.

It is not an unprimeable number, because it can be changed into a prime (1906041749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2071325 + ... + 2072244.

It is an arithmetic number, because the mean of its divisors is an integer number (174029940).

Almost surely, 2^1906041740 is an apocalyptic number.

1906041740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1906041740 is an abundant number, since it is smaller than the sum of its proper divisors (2270676820).

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

1906041740 is a wasteful number, since it uses less digits than its factorization.

1906041740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4143601 (or 4143599 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 1906041740 is about 43658.2379397062. The cubic root of 1906041740 is about 1239.8737601280.

The spelling of 1906041740 in words is "one billion, nine hundred six million, forty-one thousand, seven hundred forty".