290052260 has 48 divisors (see below), whose sum is σ = 622036800. Its totient is φ = 113576064.

The previous prime is 290052247. The next prime is 290052263. The reversal of 290052260 is 62250092.

It is a super-2 number, since 2×290052260² = 168260627062215200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (290052263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 439811 + ... + 440469.

It is an arithmetic number, because the mean of its divisors is an integer number (12959100).

Almost surely, 2^290052260 is an apocalyptic number.

290052260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

290052260 is an abundant number, since it is smaller than the sum of its proper divisors (331984540).

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

290052260 is a wasteful number, since it uses less digits than its factorization.

290052260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100 (or 1098 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 290052260 is about 17030.9207032386. The cubic root of 290052260 is about 661.9503526992.

The spelling of 290052260 in words is "two hundred ninety million, fifty-two thousand, two hundred sixty".