290040452 has 24 divisors (see below), whose sum is σ = 547423296. Its totient is φ = 133666848.

The previous prime is 290040449. The next prime is 290040469. The reversal of 290040452 is 254040092.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34883 + ... + 42389.

It is an arithmetic number, because the mean of its divisors is an integer number (22809304).

Almost surely, 2^290040452 is an apocalyptic number.

It is an amenable number.

290040452 is a deficient number, since it is larger than the sum of its proper divisors (257382844).

290040452 is a wasteful number, since it uses less digits than its factorization.

290040452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8267 (or 8265 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 290040452 is about 17030.5740361269. The cubic root of 290040452 is about 661.9413699319.

The spelling of 290040452 in words is "two hundred ninety million, forty thousand, four hundred fifty-two".