1620026575342 has 32 divisors (see below), whose sum is σ = 2818702656000. Its totient is φ = 683966485728.

The previous prime is 1620026575331. The next prime is 1620026575361. The reversal of 1620026575342 is 2435756200261.

It is a super-2 number, since 2×1620026575342² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1591842 + ... + 2402917.

It is an arithmetic number, because the mean of its divisors is an integer number (88084458000).

Almost surely, 2^{1620026575342} is an apocalyptic number.

1620026575342 is a deficient number, since it is larger than the sum of its proper divisors (1198676080658).

1620026575342 is a wasteful number, since it uses less digits than its factorization.

1620026575342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3995200.

The product of its (nonzero) digits is 604800, while the sum is 43.

The spelling of 1620026575342 in words is "one trillion, six hundred twenty billion, twenty-six million, five hundred seventy-five thousand, three hundred forty-two".