1040040051 has 8 divisors (see below), whose sum is σ = 1390380480. Its totient is φ = 691529832.

The previous prime is 1040040037. The next prime is 1040040061. The reversal of 1040040051 is 1500400401.

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

It is not a de Polignac number, because 1040040051 - 2¹⁴ = 1040023667 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1040040051.

It is not an unprimeable number, because it can be changed into a prime (1040040061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 456225 + ... + 458498.

It is an arithmetic number, because the mean of its divisors is an integer number (173797560).

Almost surely, 2^1040040051 is an apocalyptic number.

1040040051 is a deficient number, since it is larger than the sum of its proper divisors (350340429).

1040040051 is an equidigital number, since it uses as much as digits as its factorization.

1040040051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915105.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 1040040051 is about 32249.6519516103. The cubic root of 1040040051 is about 1013.1724094376.

Adding to 1040040051 its reverse (1500400401), we get a palindrome (2540440452).

The spelling of 1040040051 in words is "one billion, forty million, forty thousand, fifty-one".