1900180742 has 8 divisors (see below), whose sum is σ = 2974196016. Its totient is φ = 908782072.

The previous prime is 1900180741. The next prime is 1900180757. The reversal of 1900180742 is 2470810091.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1900180742² = 7221373704535341128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1900180699 and 1900180708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1900180741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20654093 + ... + 20654184.

It is an arithmetic number, because the mean of its divisors is an integer number (371774502).

Almost surely, 2^1900180742 is an apocalyptic number.

1900180742 is a deficient number, since it is larger than the sum of its proper divisors (1074015274).

1900180742 is a wasteful number, since it uses less digits than its factorization.

1900180742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41308302.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 1900180742 is about 43591.0626390319. The cubic root of 1900180742 is about 1238.6016021099.

The spelling of 1900180742 in words is "one billion, nine hundred million, one hundred eighty thousand, seven hundred forty-two".