1404402242320 has 320 divisors, whose sum is σ = 4184444178432. Its totient is φ = 425551104000.

The previous prime is 1404402242317. The next prime is 1404402242323. The reversal of 1404402242320 is 232422044041.

It is an interprime number because it is at equal distance from previous prime (1404402242317) and next prime (1404402242323).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (1404402242323) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 440111925 + ... + 440115115.

Almost surely, 2^{1404402242320} is an apocalyptic number.

1404402242320 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 1404402242320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2092222089216).

1404402242320 is an abundant number, since it is smaller than the sum of its proper divisors (2780041936112).

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

1404402242320 is a wasteful number, since it uses less digits than its factorization.

1404402242320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5190 (or 5184 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 1404402242320 its reverse (232422044041), we get a palindrome (1636824286361).

The spelling of 1404402242320 in words is "one trillion, four hundred four billion, four hundred two million, two hundred forty-two thousand, three hundred twenty".