1355402029072 has 80 divisors (see below), whose sum is σ = 3234919757440. Its totient is φ = 535737286656.

The previous prime is 1355402029063. The next prime is 1355402029117. The reversal of 1355402029072 is 2709202045531.

It is a super-2 number, since 2×1355402029072² (a number of 25 digits) contains 22 as substring.

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, 1275079 + ... + 2082457.

It is an arithmetic number, because the mean of its divisors is an integer number (40436496968).

Almost surely, 2^{1355402029072} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1355402029072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1617459878720).

1355402029072 is an abundant number, since it is smaller than the sum of its proper divisors (1879517728368).

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

1355402029072 is a wasteful number, since it uses less digits than its factorization.

1355402029072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808560 (or 808554 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 40.

It can be divided in two parts, 135540 and 2029072, that added together give a palindrome (2164612).

The spelling of 1355402029072 in words is "one trillion, three hundred fifty-five billion, four hundred two million, twenty-nine thousand, seventy-two".