290145827128 has 32 divisors (see below), whose sum is σ = 545224777200. Its totient is φ = 144752721408.

The previous prime is 290145827119. The next prime is 290145827173. The reversal of 290145827128 is 821728541092.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17870118 + ... + 17886346.

Almost surely, 2^290145827128 is an apocalyptic number.

It is an amenable number.

290145827128 is a deficient number, since it is larger than the sum of its proper divisors (255078950072).

290145827128 is a wasteful number, since it uses less digits than its factorization.

290145827128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21031 (or 21027 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 49.

The spelling of 290145827128 in words is "two hundred ninety billion, one hundred forty-five million, eight hundred twenty-seven thousand, one hundred twenty-eight".