1355276072340 has 72 divisors (see below), whose sum is σ = 4112734877160. Its totient is φ = 361254795264.

The previous prime is 1355276072309. The next prime is 1355276072341. The reversal of 1355276072340 is 432706725531.

1355276072340 is a `hidden beast` number, since 1 + 3 + 5 + 5 + 2 + 7 + 607 + 2 + 34 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 73412818704 + 1281863253636 = 270948^2 + 1132194^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355276072341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1155925 + ... + 2011644.

Almost surely, 2^{1355276072340} is an apocalyptic number.

1355276072340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1355276072340 is an abundant number, since it is smaller than the sum of its proper divisors (2757458804820).

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

1355276072340 is a wasteful number, since it uses less digits than its factorization.

1355276072340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3169961 (or 3169956 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 45.

The spelling of 1355276072340 in words is "one trillion, three hundred fifty-five billion, two hundred seventy-six million, seventy-two thousand, three hundred forty".