1628794428762 has 32 divisors (see below), whose sum is σ = 3514291209792. Its totient is φ = 501352926464.

The previous prime is 1628794428761. The next prime is 1628794428769. The reversal of 1628794428762 is 2678244978261.

It is a super-2 number, since 2×1628794428762² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1628794428693 and 1628794428702.

It is not an unprimeable number, because it can be changed into a prime (1628794428761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150641508 + ... + 150652319.

It is an arithmetic number, because the mean of its divisors is an integer number (109821600306).

Almost surely, 2^{1628794428762} is an apocalyptic number.

1628794428762 is an abundant number, since it is smaller than the sum of its proper divisors (1885496781030).

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

1628794428762 is a wasteful number, since it uses less digits than its factorization.

1628794428762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301293902.

The product of its digits is 130056192, while the sum is 66.

The spelling of 1628794428762 in words is "one trillion, six hundred twenty-eight billion, seven hundred ninety-four million, four hundred twenty-eight thousand, seven hundred sixty-two".