490618062740 has 144 divisors (see below), whose sum is σ = 1152299938608. Its totient is φ = 175293960192.

The previous prime is 490618062709. The next prime is 490618062817. The reversal of 490618062740 is 47260816094.

It can be written as a sum of positive squares in 24 ways, for example, as 388854510724 + 101763552016 = 623582^2 + 319004^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13058462 + ... + 13095978.

It is an arithmetic number, because the mean of its divisors is an integer number (8002082907).

Almost surely, 2^490618062740 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 490618062740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (576149969304).

490618062740 is an abundant number, since it is smaller than the sum of its proper divisors (661681875868).

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

490618062740 is a wasteful number, since it uses less digits than its factorization.

490618062740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37678 (or 37663 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 47.

The spelling of 490618062740 in words is "four hundred ninety billion, six hundred eighteen million, sixty-two thousand, seven hundred forty".