1340224272 has 40 divisors (see below), whose sum is σ = 3846941280. Its totient is φ = 446741280.

The previous prime is 1340224219. The next prime is 1340224273. The reversal of 1340224272 is 2724220431.

1340224272 is a `hidden beast` number, since 13 + 402 + 242 + 7 + 2 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (1340224273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1550754 + ... + 1551617.

It is an arithmetic number, because the mean of its divisors is an integer number (96173532).

Almost surely, 2^1340224272 is an apocalyptic number.

1340224272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1340224272 is an abundant number, since it is smaller than the sum of its proper divisors (2506717008).

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

1340224272 is a wasteful number, since it uses less digits than its factorization.

1340224272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3102388 (or 3102376 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 1340224272 is about 36609.0736293613. The cubic root of 1340224272 is about 1102.5352739883.

The spelling of 1340224272 in words is "one billion, three hundred forty million, two hundred twenty-four thousand, two hundred seventy-two".