1350120440 has 32 divisors (see below), whose sum is σ = 3041275680. Its totient is φ = 539425152.

The previous prime is 1350120427. The next prime is 1350120481. The reversal of 1350120440 is 440210531.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16454 + ... + 54506.

It is an arithmetic number, because the mean of its divisors is an integer number (95039865).

Almost surely, 2^1350120440 is an apocalyptic number.

1350120440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1350120440 is an abundant number, since it is smaller than the sum of its proper divisors (1691155240).

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

1350120440 is a wasteful number, since it uses less digits than its factorization.

1350120440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38951 (or 38947 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1350120440 is about 36743.9850859974. The cubic root of 1350120440 is about 1105.2423156335.

Adding to 1350120440 its reverse (440210531), we get a palindrome (1790330971).

Subtracting from 1350120440 its reverse (440210531), we obtain a palindrome (909909909).

The spelling of 1350120440 in words is "one billion, three hundred fifty million, one hundred twenty thousand, four hundred forty".