490367781390 has 32 divisors (see below), whose sum is σ = 1205587133856. Its totient is φ = 127575357440.

The previous prime is 490367781367. The next prime is 490367781427. The reversal of 490367781390 is 93187763094.

It is a super-2 number, since 2×490367781390² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 490367781390.

It is a congruent number.

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, 199335267 + ... + 199337726.

It is an arithmetic number, because the mean of its divisors is an integer number (37674597933).

Almost surely, 2^490367781390 is an apocalyptic number.

490367781390 is an abundant number, since it is smaller than the sum of its proper divisors (715219352466).

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

490367781390 is a wasteful number, since it uses less digits than its factorization.

490367781390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398673044.

The product of its (nonzero) digits is 6858432, while the sum is 57.

The spelling of 490367781390 in words is "four hundred ninety billion, three hundred sixty-seven million, seven hundred eighty-one thousand, three hundred ninety".