1375112040 has 128 divisors (see below), whose sum is σ = 4317062400. Its totient is φ = 349747200.

The previous prime is 1375112009. The next prime is 1375112047. The reversal of 1375112040 is 402115731.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1375112040.

It is not an unprimeable number, because it can be changed into a prime (1375112047) 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, 1658346 + ... + 1659174.

It is an arithmetic number, because the mean of its divisors is an integer number (33727050).

Almost surely, 2^1375112040 is an apocalyptic number.

1375112040 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 1375112040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2158531200).

1375112040 is an abundant number, since it is smaller than the sum of its proper divisors (2941950360).

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

1375112040 is a wasteful number, since it uses less digits than its factorization.

1375112040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1467 (or 1463 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 1375112040 is about 37082.5031517561. The cubic root of 1375112040 is about 1112.0202474618.

Adding to 1375112040 its reverse (402115731), we get a palindrome (1777227771).

The spelling of 1375112040 in words is "one billion, three hundred seventy-five million, one hundred twelve thousand, forty".