1626120426 has 16 divisors (see below), whose sum is σ = 3716846784. Its totient is φ = 464605824.

The previous prime is 1626120403. The next prime is 1626120439. The reversal of 1626120426 is 6240216261.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1626120393 and 1626120402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19358535 + ... + 19358618.

It is an arithmetic number, because the mean of its divisors is an integer number (232302924).

Almost surely, 2^1626120426 is an apocalyptic number.

1626120426 is an abundant number, since it is smaller than the sum of its proper divisors (2090726358).

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

1626120426 is a wasteful number, since it uses less digits than its factorization.

1626120426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38717165.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 1626120426 is about 40325.1835209711. The cubic root of 1626120426 is about 1175.9374865539.

Adding to 1626120426 its reverse (6240216261), we get a palindrome (7866336687).

The spelling of 1626120426 in words is "one billion, six hundred twenty-six million, one hundred twenty thousand, four hundred twenty-six".