490265649060138 has 24 divisors (see below), whose sum is σ = 1213991131006368. Its totient is φ = 140075899731432.

The previous prime is 490265649060049. The next prime is 490265649060149. The reversal of 490265649060138 is 831060946562094.

490265649060138 is a `hidden beast` number, since 4 + 9 + 0 + 2 + 6 + 5 + 6 + 490 + 6 + 0 + 138 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1945498607256 + ... + 1945498607507.

It is an arithmetic number, because the mean of its divisors is an integer number (50582963791932).

Almost surely, 2^{490265649060138} is an apocalyptic number.

490265649060138 is an abundant number, since it is smaller than the sum of its proper divisors (723725481946230).

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

490265649060138 is a wasteful number, since it uses less digits than its factorization.

490265649060138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3890997214778 (or 3890997214775 counting only the distinct ones).

The product of its (nonzero) digits is 67184640, while the sum is 63.

The spelling of 490265649060138 in words is "four hundred ninety trillion, two hundred sixty-five billion, six hundred forty-nine million, sixty thousand, one hundred thirty-eight".