1345554400 has 72 divisors (see below), whose sum is σ = 3365034624. Its totient is φ = 525081600.

The previous prime is 1345554377. The next prime is 1345554433. The reversal of 1345554400 is 44555431.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12289 + ... + 53311.

It is an arithmetic number, because the mean of its divisors is an integer number (46736592).

Almost surely, 2^1345554400 is an apocalyptic number.

1345554400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1345554400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1682517312).

1345554400 is an abundant number, since it is smaller than the sum of its proper divisors (2019480224).

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

1345554400 is a wasteful number, since it uses less digits than its factorization.

1345554400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41084 (or 41071 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 1345554400 is about 36681.7993015610. The cubic root of 1345554400 is about 1103.9949502675.

The spelling of 1345554400 in words is "one billion, three hundred forty-five million, five hundred fifty-four thousand, four hundred".