400626002 has 8 divisors (see below), whose sum is σ = 686787456. Its totient is φ = 171696852.

The previous prime is 400625957. The next prime is 400626007. The reversal of 400626002 is 200626004.

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

It is not an unprimeable number, because it can be changed into a prime (400626007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14308058 + ... + 14308085.

It is an arithmetic number, because the mean of its divisors is an integer number (85848432).

Almost surely, 2^400626002 is an apocalyptic number.

400626002 is a deficient number, since it is larger than the sum of its proper divisors (286161454).

400626002 is a wasteful number, since it uses less digits than its factorization.

400626002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28616152.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 400626002 is about 20015.6439316850. The cubic root of 400626002 is about 737.1904679037.

It can be divided in two parts, 40062 and 6002, that added together give a palindrome (46064).

The spelling of 400626002 in words is "four hundred million, six hundred twenty-six thousand, two".