290487622642 has 8 divisors (see below), whose sum is σ = 497978781696. Its totient is φ = 124494695412.

The previous prime is 290487622631. The next prime is 290487622661. The reversal of 290487622642 is 246226784092.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 290487622642.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10374557938 + ... + 10374557965.

It is an arithmetic number, because the mean of its divisors is an integer number (62247347712).

Almost surely, 2^290487622642 is an apocalyptic number.

290487622642 is a deficient number, since it is larger than the sum of its proper divisors (207491159054).

290487622642 is a wasteful number, since it uses less digits than its factorization.

290487622642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20749115912.

The product of its (nonzero) digits is 4644864, while the sum is 52.

The spelling of 290487622642 in words is "two hundred ninety billion, four hundred eighty-seven million, six hundred twenty-two thousand, six hundred forty-two".