1376423040 has 256 divisors, whose sum is σ = 4653158400. Its totient is φ = 345354240.

The previous prime is 1376423029. The next prime is 1376423047. The reversal of 1376423040 is 403246731.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1376422989 and 1376423007.

It is not an unprimeable number, because it can be changed into a prime (1376423047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3135141 + ... + 3135579.

It is an arithmetic number, because the mean of its divisors is an integer number (18176400).

Almost surely, 2^1376423040 is an apocalyptic number.

1376423040 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 1376423040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2326579200).

1376423040 is an abundant number, since it is smaller than the sum of its proper divisors (3276735360).

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

1376423040 is a wasteful number, since it uses less digits than its factorization.

1376423040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555 (or 543 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 1376423040 is about 37100.1757408237. The cubic root of 1376423040 is about 1112.3735266738.

Adding to 1376423040 its reverse (403246731), we get a palindrome (1779669771).

The spelling of 1376423040 in words is "one billion, three hundred seventy-six million, four hundred twenty-three thousand, forty".