1489808226940 has 24 divisors (see below), whose sum is σ = 3413015211312. Its totient is φ = 541748446080.

The previous prime is 1489808226937. The next prime is 1489808226941. The reversal of 1489808226940 is 496228089841.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1489808226941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3385927569 + ... + 3385928008.

It is an arithmetic number, because the mean of its divisors is an integer number (142208967138).

Almost surely, 2^{1489808226940} is an apocalyptic number.

1489808226940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1489808226940 is an abundant number, since it is smaller than the sum of its proper divisors (1923206984372).

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

1489808226940 is a wasteful number, since it uses less digits than its factorization.

1489808226940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6771855597 (or 6771855595 counting only the distinct ones).

The product of its (nonzero) digits is 15925248, while the sum is 61.

The spelling of 1489808226940 in words is "one trillion, four hundred eighty-nine billion, eight hundred eight million, two hundred twenty-six thousand, nine hundred forty".