1490400011320 has 128 divisors (see below), whose sum is σ = 3806001561600. Its totient is φ = 520350566400.

The previous prime is 1490400011299. The next prime is 1490400011323. The reversal of 1490400011320 is 231100040941.

It is a happy number.

It is a super-2 number, since 2×1490400011320² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490400011323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1302096 + ... + 2162464.

It is an arithmetic number, because the mean of its divisors is an integer number (29734387200).

Almost surely, 2^{1490400011320} is an apocalyptic number.

1490400011320 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 1490400011320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1903000780800).

1490400011320 is an abundant number, since it is smaller than the sum of its proper divisors (2315601550280).

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

1490400011320 is a wasteful number, since it uses less digits than its factorization.

1490400011320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860549 (or 860545 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The spelling of 1490400011320 in words is "one trillion, four hundred ninety billion, four hundred million, eleven thousand, three hundred twenty".