290306769664 has 18 divisors (see below), whose sum is σ = 579479529020. Its totient is φ = 145153384704.

The previous prime is 290306769659. The next prime is 290306769667. The reversal of 290306769664 is 466967603092.

It is a super-5 number, since 5×290306769664⁵ (a number of 59 digits) contains 55555 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 290306769599 and 290306769608.

It is not an unprimeable number, because it can be changed into a prime (290306769667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 567005154 + ... + 567005665.

Almost surely, 2^290306769664 is an apocalyptic number.

It is an amenable number.

290306769664 is a deficient number, since it is larger than the sum of its proper divisors (289172759356).

290306769664 is an equidigital number, since it uses as much as digits as its factorization.

290306769664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134010835 (or 1134010821 counting only the distinct ones).

The product of its (nonzero) digits is 17635968, while the sum is 58.

The spelling of 290306769664 in words is "two hundred ninety billion, three hundred six million, seven hundred sixty-nine thousand, six hundred sixty-four".