290471795240 has 64 divisors (see below), whose sum is σ = 715959648000. Its totient is φ = 105184119040.

The previous prime is 290471795239. The next prime is 290471795279. The reversal of 290471795240 is 42597174092.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1275935 + ... + 1486254.

It is an arithmetic number, because the mean of its divisors is an integer number (11186869500).

Almost surely, 2^290471795240 is an apocalyptic number.

290471795240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

290471795240 is an abundant number, since it is smaller than the sum of its proper divisors (425487852760).

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

290471795240 is a wasteful number, since it uses less digits than its factorization.

290471795240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2762450 (or 2762446 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 50.

The spelling of 290471795240 in words is "two hundred ninety billion, four hundred seventy-one million, seven hundred ninety-five thousand, two hundred forty".