1355404506020 has 12 divisors (see below), whose sum is σ = 2846349462684. Its totient is φ = 542161802400.

The previous prime is 1355404505999. The next prime is 1355404506041. The reversal of 1355404506020 is 206054045531.

It is an interprime number because it is at equal distance from previous prime (1355404505999) and next prime (1355404506041).

It can be written as a sum of positive squares in 2 ways, for example, as 962894737984 + 392509768036 = 981272^2 + 626506^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33885112631 + ... + 33885112670.

It is an arithmetic number, because the mean of its divisors is an integer number (237195788557).

Almost surely, 2^{1355404506020} is an apocalyptic number.

1355404506020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1355404506020 is an abundant number, since it is smaller than the sum of its proper divisors (1490944956664).

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

1355404506020 is a wasteful number, since it uses less digits than its factorization.

1355404506020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67770225310 (or 67770225308 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 1355404506020 in words is "one trillion, three hundred fifty-five billion, four hundred four million, five hundred six thousand, twenty".