400030045 has 8 divisors (see below), whose sum is σ = 495521280. Its totient is φ = 309700560.

The previous prime is 400030039. The next prime is 400030063. The reversal of 400030045 is 540030004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 400030045 - 2⁵ = 400030013 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1290265 + ... + 1290574.

It is an arithmetic number, because the mean of its divisors is an integer number (61940160).

Almost surely, 2^400030045 is an apocalyptic number.

It is an amenable number.

400030045 is a deficient number, since it is larger than the sum of its proper divisors (95491235).

400030045 is a wasteful number, since it uses less digits than its factorization.

400030045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2580875.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 400030045 is about 20000.7511108958. The cubic root of 400030045 is about 736.8247470539.

Adding to 400030045 its reverse (540030004), we get a palindrome (940060049).

The spelling of 400030045 in words is "four hundred million, thirty thousand, forty-five".