1355450040 has 96 divisors (see below), whose sum is σ = 5034538080. Its totient is φ = 309816576.

The previous prime is 1355450023. The next prime is 1355450051. The reversal of 1355450040 is 400545531.

It is a junction number, because it is equal to n+sod(n) for n = 1355449986 and 1355450013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 266419 + ... + 271458.

It is an arithmetic number, because the mean of its divisors is an integer number (52443105).

Almost surely, 2^1355450040 is an apocalyptic number.

1355450040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1355450040 is an abundant number, since it is smaller than the sum of its proper divisors (3679088040).

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

1355450040 is a wasteful number, since it uses less digits than its factorization.

1355450040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537901 (or 537894 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 1355450040 is about 36816.4370899738. The cubic root of 1355450040 is about 1106.6947207449.

Adding to 1355450040 its reverse (400545531), we get a palindrome (1755995571).

The spelling of 1355450040 in words is "one billion, three hundred fifty-five million, four hundred fifty thousand, forty".