1355400441 has 6 divisors (see below), whose sum is σ = 1957800650. Its totient is φ = 903600288.

The previous prime is 1355400439. The next prime is 1355400457. The reversal of 1355400441 is 1440045531.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1165539600 + 189860841 = 34140^2 + 13779^2 .

It is not a de Polignac number, because 1355400441 - 2¹ = 1355400439 is a prime.

It is a super-2 number, since 2×1355400441² = 3674220710925988962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1355400421) 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, 75300016 + ... + 75300033.

Almost surely, 2^1355400441 is an apocalyptic number.

It is an amenable number.

1355400441 is a deficient number, since it is larger than the sum of its proper divisors (602400209).

1355400441 is a wasteful number, since it uses less digits than its factorization.

1355400441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150600055 (or 150600052 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1355400441 is about 36815.7634852246. The cubic root of 1355400441 is about 1106.6812217546.

Adding to 1355400441 its reverse (1440045531), we get a palindrome (2795445972).

The spelling of 1355400441 in words is "one billion, three hundred fifty-five million, four hundred thousand, four hundred forty-one".