51182404090 has 16 divisors (see below), whose sum is σ = 92401711272. Its totient is φ = 20412209664.

The previous prime is 51182404073. The next prime is 51182404099. The reversal of 51182404090 is 9040428115.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 32604441489 + 18577962601 = 180567^2 + 136301^2 .

It is not an unprimeable number, because it can be changed into a prime (51182404099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7590459 + ... + 7597198.

Almost surely, 2^51182404090 is an apocalyptic number.

51182404090 is a deficient number, since it is larger than the sum of its proper divisors (41219307182).

51182404090 is a wasteful number, since it uses less digits than its factorization.

51182404090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15188001.

The product of its (nonzero) digits is 11520, while the sum is 34.

The spelling of 51182404090 in words is "fifty-one billion, one hundred eighty-two million, four hundred four thousand, ninety".