1626520042 has 32 divisors (see below), whose sum is σ = 3036297600. Its totient is φ = 637616448.

The previous prime is 1626520039. The next prime is 1626520057. The reversal of 1626520042 is 2400256261.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 97713 + ... + 113140.

It is an arithmetic number, because the mean of its divisors is an integer number (94884300).

Almost surely, 2^1626520042 is an apocalyptic number.

1626520042 is a deficient number, since it is larger than the sum of its proper divisors (1409777558).

1626520042 is a wasteful number, since it uses less digits than its factorization.

1626520042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210910.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 1626520042 is about 40330.1381351465. The cubic root of 1626520042 is about 1176.0338067973.

The spelling of 1626520042 in words is "one billion, six hundred twenty-six million, five hundred twenty thousand, forty-two".