290400543029 has 4 divisors (see below), whose sum is σ = 290402268876. Its totient is φ = 290398817184.

The previous prime is 290400542963. The next prime is 290400543089. The reversal of 290400543029 is 920345004092.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 177470940529 + 112929602500 = 421273^2 + 336050^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-290400543029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 290400542983 and 290400543001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290400543089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 579494 + ... + 957399.

It is an arithmetic number, because the mean of its divisors is an integer number (72600567219).

Almost surely, 2^290400543029 is an apocalyptic number.

It is an amenable number.

290400543029 is a deficient number, since it is larger than the sum of its proper divisors (1725847).

290400543029 is a wasteful number, since it uses less digits than its factorization.

290400543029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1725846.

The product of its (nonzero) digits is 77760, while the sum is 38.

The spelling of 290400543029 in words is "two hundred ninety billion, four hundred million, five hundred forty-three thousand, twenty-nine".