1375284680 has 128 divisors (see below), whose sum is σ = 3897020160. Its totient is φ = 424320000.

The previous prime is 1375284671. The next prime is 1375284727. The reversal of 1375284680 is 864825731.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 308870 + ... + 313290.

It is an arithmetic number, because the mean of its divisors is an integer number (30445470).

Almost surely, 2^1375284680 is an apocalyptic number.

1375284680 is a gapful number since it is divisible by the number (10) 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 1375284680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1948510080).

1375284680 is an abundant number, since it is smaller than the sum of its proper divisors (2521735480).

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

1375284680 is a wasteful number, since it uses less digits than its factorization.

1375284680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4551 (or 4547 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 44.

The square root of 1375284680 is about 37084.8308611486. The cubic root of 1375284680 is about 1112.0667821287.

The spelling of 1375284680 in words is "one billion, three hundred seventy-five million, two hundred eighty-four thousand, six hundred eighty".