1352278240 has 24 divisors (see below), whose sum is σ = 3194757720. Its totient is φ = 540911232.

The previous prime is 1352278237. The next prime is 1352278253. The reversal of 1352278240 is 428722531.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1352278196 and 1352278205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4225710 + ... + 4226029.

It is an arithmetic number, because the mean of its divisors is an integer number (133114905).

Almost surely, 2^1352278240 is an apocalyptic number.

1352278240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1352278240 is an abundant number, since it is smaller than the sum of its proper divisors (1842479480).

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

1352278240 is an equidigital number, since it uses as much as digits as its factorization.

1352278240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8451754 (or 8451746 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 1352278240 is about 36773.3359922648. The cubic root of 1352278240 is about 1105.8308118870.

The spelling of 1352278240 in words is "one billion, three hundred fifty-two million, two hundred seventy-eight thousand, two hundred forty".