1434772772820 has 72 divisors (see below), whose sum is σ = 4368323199240. Its totient is φ = 381183732480.

The previous prime is 1434772772813. The next prime is 1434772772821. The reversal of 1434772772820 is 282772774341.

1434772772820 is a `hidden beast` number, since 1 + 4 + 3 + 477 + 27 + 72 + 82 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 340181136 + 1434432591684 = 18444^2 + 1197678^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1434772772821) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14767491 + ... + 14864330.

It is an arithmetic number, because the mean of its divisors is an integer number (60671155545).

Almost surely, 2^{1434772772820} is an apocalyptic number.

1434772772820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1434772772820 is an abundant number, since it is smaller than the sum of its proper divisors (2933550426420).

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

1434772772820 is a wasteful number, since it uses less digits than its factorization.

1434772772820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29632105 (or 29632100 counting only the distinct ones).

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

The spelling of 1434772772820 in words is "one trillion, four hundred thirty-four billion, seven hundred seventy-two million, seven hundred seventy-two thousand, eight hundred twenty".