490801916142 has 16 divisors (see below), whose sum is σ = 1090670924880. Its totient is φ = 163600638696.

The previous prime is 490801916131. The next prime is 490801916149. The reversal of 490801916142 is 241619108094.

It is a happy number.

490801916142 is a `hidden beast` number, since 490 + 8 + 0 + 1 + 9 + 16 + 142 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490801916149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4544462133 + ... + 4544462240.

It is an arithmetic number, because the mean of its divisors is an integer number (68166932805).

Almost surely, 2^490801916142 is an apocalyptic number.

490801916142 is an abundant number, since it is smaller than the sum of its proper divisors (599869008738).

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

490801916142 is a wasteful number, since it uses less digits than its factorization.

490801916142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9088924384 (or 9088924378 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The spelling of 490801916142 in words is "four hundred ninety billion, eight hundred one million, nine hundred sixteen thousand, one hundred forty-two".