290002528890 has 24 divisors (see below), whose sum is σ = 754006575348. Its totient is φ = 77334007680.

The previous prime is 290002528861. The next prime is 290002528891. The reversal of 290002528890 is 98825200092.

It can be written as a sum of positive squares in 2 ways, for example, as 288043669809 + 1958859081 = 536697^2 + 44259^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (290002528891) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1611125071 + ... + 1611125250.

Almost surely, 2^290002528890 is an apocalyptic number.

290002528890 is an abundant number, since it is smaller than the sum of its proper divisors (464004046458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

290002528890 is a wasteful number, since it uses less digits than its factorization.

290002528890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3222250334 (or 3222250331 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 290002528890 in words is "two hundred ninety billion, two million, five hundred twenty-eight thousand, eight hundred ninety".