1350421980 has 48 divisors (see below), whose sum is σ = 3852533664. Its totient is φ = 353317120.

The previous prime is 1350421949. The next prime is 1350421993. The reversal of 1350421980 is 891240531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209151 + ... + 215510.

It is an arithmetic number, because the mean of its divisors is an integer number (80261118).

Almost surely, 2^1350421980 is an apocalyptic number.

1350421980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1350421980 is an abundant number, since it is smaller than the sum of its proper divisors (2502111684).

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

1350421980 is a wasteful number, since it uses less digits than its factorization.

1350421980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424726 (or 424724 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 1350421980 is about 36748.0881135332. The cubic root of 1350421980 is about 1105.3245922338.

The spelling of 1350421980 in words is "one billion, three hundred fifty million, four hundred twenty-one thousand, nine hundred eighty".