290287916390 has 8 divisors (see below), whose sum is σ = 522518249520. Its totient is φ = 116115166552.

The previous prime is 290287916371. The next prime is 290287916419. The reversal of 290287916390 is 93619782092.

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

It is a congruent number.

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, 14514395810 + ... + 14514395829.

It is an arithmetic number, because the mean of its divisors is an integer number (65314781190).

Almost surely, 2^290287916390 is an apocalyptic number.

290287916390 is a deficient number, since it is larger than the sum of its proper divisors (232230333130).

290287916390 is a wasteful number, since it uses less digits than its factorization.

290287916390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29028791646.

The product of its (nonzero) digits is 2939328, while the sum is 56.

The spelling of 290287916390 in words is "two hundred ninety billion, two hundred eighty-seven million, nine hundred sixteen thousand, three hundred ninety".