1340225055 has 64 divisors (see below), whose sum is σ = 2591648640. Its totient is φ = 653184000.

The previous prime is 1340225017. The next prime is 1340225057. The reversal of 1340225055 is 5505220431.

It is a happy number.

1340225055 is a `hidden beast` number, since 1 + 3 + 402 + 250 + 5 + 5 = 666.

It is not a de Polignac number, because 1340225055 - 2⁸ = 1340224799 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340225057) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 173475 + ... + 181035.

It is an arithmetic number, because the mean of its divisors is an integer number (40494510).

Almost surely, 2^1340225055 is an apocalyptic number.

1340225055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1340225055 is a deficient number, since it is larger than the sum of its proper divisors (1251423585).

1340225055 is a wasteful number, since it uses less digits than its factorization.

1340225055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7689 (or 7683 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 1340225055 is about 36609.0843234299. The cubic root of 1340225055 is about 1102.5354886998.

Adding to 1340225055 its reverse (5505220431), we get a palindrome (6845445486).

The spelling of 1340225055 in words is "one billion, three hundred forty million, two hundred twenty-five thousand, fifty-five".