400503030530 has 32 divisors (see below), whose sum is σ = 758881690560. Its totient is φ = 151762800960.

The previous prime is 400503030527. The next prime is 400503030533. The reversal of 400503030530 is 35030305004.

It is an interprime number because it is at equal distance from previous prime (400503030527) and next prime (400503030533).

It is a super-2 number, since 2×400503030530² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 400503030496 and 400503030505.

It is not an unprimeable number, because it can be changed into a prime (400503030533) 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, 6988352 + ... + 7045428.

It is an arithmetic number, because the mean of its divisors is an integer number (23715052830).

Almost surely, 2^400503030530 is an apocalyptic number.

400503030530 is a deficient number, since it is larger than the sum of its proper divisors (358378660030).

400503030530 is a wasteful number, since it uses less digits than its factorization.

400503030530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94034.

The product of its (nonzero) digits is 2700, while the sum is 23.

Adding to 400503030530 its reverse (35030305004), we get a palindrome (435533335534).

The spelling of 400503030530 in words is "four hundred billion, five hundred three million, thirty thousand, five hundred thirty".