1345403673400 has 24 divisors (see below), whose sum is σ = 3128063541120. Its totient is φ = 538161469280.

The previous prime is 1345403673389. The next prime is 1345403673409. The reversal of 1345403673400 is 43763045431.

It is a super-2 number, since 2×1345403673400² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345403673409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3363508984 + ... + 3363509383.

It is an arithmetic number, because the mean of its divisors is an integer number (130335980880).

Almost surely, 2^{1345403673400} is an apocalyptic number.

1345403673400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1345403673400 is an abundant number, since it is smaller than the sum of its proper divisors (1782659867720).

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

1345403673400 is a wasteful number, since it uses less digits than its factorization.

1345403673400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6727018383 (or 6727018374 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 40.

The spelling of 1345403673400 in words is "one trillion, three hundred forty-five billion, four hundred three million, six hundred seventy-three thousand, four hundred".