290044440093 has 32 divisors (see below), whose sum is σ = 421415280000. Its totient is φ = 176743994112.

The previous prime is 290044440083. The next prime is 290044440139. The reversal of 290044440093 is 390044440092.

It is a happy number.

It is not a de Polignac number, because 290044440093 - 2¹⁴ = 290044423709 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290044440073) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2300743 + ... + 2423531.

It is an arithmetic number, because the mean of its divisors is an integer number (13169227500).

Almost surely, 2^290044440093 is an apocalyptic number.

It is an amenable number.

290044440093 is a deficient number, since it is larger than the sum of its proper divisors (131370839907).

290044440093 is a wasteful number, since it uses less digits than its factorization.

290044440093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124269.

The product of its (nonzero) digits is 124416, while the sum is 39.

Subtracting 290044440093 from its reverse (390044440092), we obtain a palindrome (99999999999).

The spelling of 290044440093 in words is "two hundred ninety billion, forty-four million, four hundred forty thousand, ninety-three".