400014030 has 128 divisors (see below), whose sum is σ = 1118476800. Its totient is φ = 90699264.

The previous prime is 400014019. The next prime is 400014031. The reversal of 400014030 is 30410004.

It is a super-2 number, since 2×400014030² = 320022448393681800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 400013997 and 400014015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400014031) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 273441 + ... + 274899.

It is an arithmetic number, because the mean of its divisors is an integer number (8738100).

Almost surely, 2^400014030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 400014030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (559238400).

400014030 is an abundant number, since it is smaller than the sum of its proper divisors (718462770).

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

400014030 is a wasteful number, since it uses less digits than its factorization.

400014030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1538.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 400014030 is about 20000.3507469244. The cubic root of 400014030 is about 736.8149141210.

Adding to 400014030 its reverse (30410004), we get a palindrome (430424034).

The spelling of 400014030 in words is "four hundred million, fourteen thousand, thirty".