1355053040 has 80 divisors (see below), whose sum is σ = 3442922496. Its totient is φ = 491884800.

The previous prime is 1355053031. The next prime is 1355053069. The reversal of 1355053040 is 403505531.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 723305 + ... + 725175.

Almost surely, 2^1355053040 is an apocalyptic number.

1355053040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1355053040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1721461248).

1355053040 is an abundant number, since it is smaller than the sum of its proper divisors (2087869456).

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

1355053040 is a wasteful number, since it uses less digits than its factorization.

1355053040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2718 (or 2712 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 1355053040 is about 36811.0450816056. The cubic root of 1355053040 is about 1106.5866629799.

Adding to 1355053040 its reverse (403505531), we get a palindrome (1758558571).

The spelling of 1355053040 in words is "one billion, three hundred fifty-five million, fifty-three thousand, forty".