1490479313128 has 64 divisors (see below), whose sum is σ = 3043145548800. Its totient is φ = 680291827200.

The previous prime is 1490479313077. The next prime is 1490479313137. The reversal of 1490479313128 is 8213139740941.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3289188 + ... + 3714796.

It is an arithmetic number, because the mean of its divisors is an integer number (47549149200).

Almost surely, 2^{1490479313128} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1490479313128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1521572774400).

1490479313128 is an abundant number, since it is smaller than the sum of its proper divisors (1552666235672).

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

1490479313128 is a wasteful number, since it uses less digits than its factorization.

1490479313128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426002 (or 425998 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 52.

The spelling of 1490479313128 in words is "one trillion, four hundred ninety billion, four hundred seventy-nine million, three hundred thirteen thousand, one hundred twenty-eight".