1350781488 has 320 divisors, whose sum is σ = 4668748800. Its totient is φ = 365783040.

The previous prime is 1350781483. The next prime is 1350781493. The reversal of 1350781488 is 8841870531.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1350781483) and next prime (1350781493).

It is a super-2 number, since 2×1350781488² = 3649221256646988288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1350781483) 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, 6401703 + ... + 6401913.

It is an arithmetic number, because the mean of its divisors is an integer number (14589840).

Almost surely, 2^1350781488 is an apocalyptic number.

1350781488 is a gapful number since it is divisible by the number (18) 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 1350781488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2334374400).

1350781488 is an abundant number, since it is smaller than the sum of its proper divisors (3317967312).

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

1350781488 is a wasteful number, since it uses less digits than its factorization.

1350781488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337 (or 325 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 45.

The square root of 1350781488 is about 36752.9793078058. The cubic root of 1350781488 is about 1105.4226696699.

The spelling of 1350781488 in words is "one billion, three hundred fifty million, seven hundred eighty-one thousand, four hundred eighty-eight".