1375894080 has 448 divisors, whose sum is σ = 5477621760. Its totient is φ = 322099200.

The previous prime is 1375894057. The next prime is 1375894103. The reversal of 1375894080 is 804985731.

It is an interprime number because it is at equal distance from previous prime (1375894057) and next prime (1375894103).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2946007 + ... + 2946473.

Almost surely, 2^1375894080 is an apocalyptic number.

1375894080 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 1375894080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2738810880).

1375894080 is an abundant number, since it is smaller than the sum of its proper divisors (4101727680).

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

1375894080 is a wasteful number, since it uses less digits than its factorization.

1375894080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535 (or 519 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 1375894080 is about 37093.0462485895. The cubic root of 1375894080 is about 1112.2310131989.

The spelling of 1375894080 in words is "one billion, three hundred seventy-five million, eight hundred ninety-four thousand, eighty".