1404011340 has 96 divisors (see below), whose sum is σ = 4450541760. Its totient is φ = 367331328.

The previous prime is 1404011311. The next prime is 1404011347. The reversal of 1404011340 is 431104041.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1404011347) 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, 4092 + ... + 53148.

It is an arithmetic number, because the mean of its divisors is an integer number (46359810).

Almost surely, 2^1404011340 is an apocalyptic number.

1404011340 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 1404011340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2225270880).

1404011340 is an abundant number, since it is smaller than the sum of its proper divisors (3046530420).

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

1404011340 is a wasteful number, since it uses less digits than its factorization.

1404011340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49128 (or 49120 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1404011340 is about 37470.1393111902. The cubic root of 1404011340 is about 1119.7563617576.

Adding to 1404011340 its reverse (431104041), we get a palindrome (1835115381).

The spelling of 1404011340 in words is "one billion, four hundred four million, eleven thousand, three hundred forty".