400302420234 has 8 divisors (see below), whose sum is σ = 800604840480. Its totient is φ = 133434140076.

The previous prime is 400302420233. The next prime is 400302420277. The reversal of 400302420234 is 432024203004.

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

400302420234 is an admirable number.

It is a super-2 number, since 2×400302420234² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (400302420233) 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, 33358535014 + ... + 33358535025.

It is an arithmetic number, because the mean of its divisors is an integer number (100075605060).

Almost surely, 2^400302420234 is an apocalyptic number.

400302420234 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

400302420234 is a wasteful number, since it uses less digits than its factorization.

400302420234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66717070044.

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 400302420234 its reverse (432024203004), we get a palindrome (832326623238).

The spelling of 400302420234 in words is "four hundred billion, three hundred two million, four hundred twenty thousand, two hundred thirty-four".