1434772772028 has 18 divisors (see below), whose sum is σ = 3626786729384. Its totient is φ = 478257590664.

The previous prime is 1434772772011. The next prime is 1434772772029. The reversal of 1434772772028 is 8202772774341.

1434772772028 is a `hidden beast` number, since 1 + 4 + 347 + 7 + 277 + 2 + 0 + 28 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×1434772772028² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1434772772029) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19927399576 + ... + 19927399647.

Almost surely, 2^{1434772772028} is an apocalyptic number.

1434772772028 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1434772772028 is an abundant number, since it is smaller than the sum of its proper divisors (2192013957356).

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

1434772772028 is a wasteful number, since it uses less digits than its factorization.

1434772772028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39854799233 (or 39854799228 counting only the distinct ones).

The product of its (nonzero) digits is 7375872, while the sum is 54.

The spelling of 1434772772028 in words is "one trillion, four hundred thirty-four billion, seven hundred seventy-two million, seven hundred seventy-two thousand, twenty-eight".