400464220602 has 16 divisors (see below), whose sum is σ = 800969771520. Its totient is φ = 133481185152.

The previous prime is 400464220591. The next prime is 400464220609. The reversal of 400464220602 is 206022464004.

It is a self number, because there is not a number n which added to its sum of digits gives 400464220602.

It is not an unprimeable number, because it can be changed into a prime (400464220609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1595418 + ... + 1829285.

It is an arithmetic number, because the mean of its divisors is an integer number (50060610720).

Almost surely, 2^400464220602 is an apocalyptic number.

400464220602 is an abundant number, since it is smaller than the sum of its proper divisors (400505550918).

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

400464220602 is a wasteful number, since it uses less digits than its factorization.

400464220602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3444197.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 400464220602 its reverse (206022464004), we get a palindrome (606486684606).

The spelling of 400464220602 in words is "four hundred billion, four hundred sixty-four million, two hundred twenty thousand, six hundred two".