290007628881 has 8 divisors (see below), whose sum is σ = 386680421664. Its totient is φ = 193336627680.

The previous prime is 290007628817. The next prime is 290007628931. The reversal of 290007628881 is 188826700092.

It is a happy number.

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

It is not a de Polignac number, because 290007628881 - 2⁶ = 290007628817 is a prime.

It is a super-2 number, since 2×290007628881² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (290007628081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8655 + ... + 761636.

It is an arithmetic number, because the mean of its divisors is an integer number (48335052708).

Almost surely, 2^290007628881 is an apocalyptic number.

It is an amenable number.

290007628881 is a deficient number, since it is larger than the sum of its proper divisors (96672792783).

290007628881 is a wasteful number, since it uses less digits than its factorization.

290007628881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895791.

The product of its (nonzero) digits is 774144, while the sum is 51.

The spelling of 290007628881 in words is "two hundred ninety billion, seven million, six hundred twenty-eight thousand, eight hundred eighty-one".