1340855941628 has 48 divisors (see below), whose sum is σ = 2782821216000. Its totient is φ = 564912638640.

The previous prime is 1340855941619. The next prime is 1340855941661. The reversal of 1340855941628 is 8261495580431.

It is a super-2 number, since 2×1340855941628² (a number of 25 digits) contains 22 as substring.

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, 8201258 + ... + 8363153.

It is an arithmetic number, because the mean of its divisors is an integer number (57975442000).

Almost surely, 2^{1340855941628} is an apocalyptic number.

It is an amenable number.

1340855941628 is an abundant number, since it is smaller than the sum of its proper divisors (1441965274372).

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

1340855941628 is a wasteful number, since it uses less digits than its factorization.

1340855941628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16564495 (or 16564479 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 56.

The spelling of 1340855941628 in words is "one trillion, three hundred forty billion, eight hundred fifty-five million, nine hundred forty-one thousand, six hundred twenty-eight".