1351411040 has 96 divisors (see below), whose sum is σ = 3699017280. Its totient is φ = 456966144.

The previous prime is 1351411037. The next prime is 1351411057. The reversal of 1351411040 is 401141531.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73496 + ... + 90024.

It is an arithmetic number, because the mean of its divisors is an integer number (38531430).

Almost surely, 2^1351411040 is an apocalyptic number.

1351411040 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 1351411040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1849508640).

1351411040 is an abundant number, since it is smaller than the sum of its proper divisors (2347606240).

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

1351411040 is a wasteful number, since it uses less digits than its factorization.

1351411040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16624 (or 16616 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1351411040 is about 36761.5429491201. The cubic root of 1351411040 is about 1105.5943759431.

Adding to 1351411040 its reverse (401141531), we get a palindrome (1752552571).

The spelling of 1351411040 in words is "one billion, three hundred fifty-one million, four hundred eleven thousand, forty".