1376325440 has 224 divisors, whose sum is σ = 4055546880. Its totient is φ = 434110464.

The previous prime is 1376325403. The next prime is 1376325463. The reversal of 1376325440 is 445236731.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 1376325440.

It is a congruent number.

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, 1789376 + ... + 1790144.

It is an arithmetic number, because the mean of its divisors is an integer number (18105120).

Almost surely, 2^1376325440 is an apocalyptic number.

1376325440 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 1376325440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2027773440).

1376325440 is an abundant number, since it is smaller than the sum of its proper divisors (2679221440).

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

1376325440 is a wasteful number, since it uses less digits than its factorization.

1376325440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857 (or 847 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 1376325440 is about 37098.8603598547. The cubic root of 1376325440 is about 1112.3472338313.

The spelling of 1376325440 in words is "one billion, three hundred seventy-six million, three hundred twenty-five thousand, four hundred forty".