1490448180820 has 24 divisors (see below), whose sum is σ = 3130117266528. Its totient is φ = 596145732000.

The previous prime is 1490448180733. The next prime is 1490448180841. The reversal of 1490448180820 is 280818440941.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1730326 + ... + 2444365.

It is an arithmetic number, because the mean of its divisors is an integer number (130421552772).

Almost surely, 2^{1490448180820} is an apocalyptic number.

1490448180820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1490448180820 is an abundant number, since it is smaller than the sum of its proper divisors (1639669085708).

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

1490448180820 is a wasteful number, since it uses less digits than its factorization.

1490448180820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4192551 (or 4192549 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 49.

The spelling of 1490448180820 in words is "one trillion, four hundred ninety billion, four hundred forty-eight million, one hundred eighty thousand, eight hundred twenty".