407968620 has 24 divisors (see below), whose sum is σ = 1142312304. Its totient is φ = 108791616.

The previous prime is 407968609. The next prime is 407968621. The reversal of 407968620 is 26869704.

It is not an unprimeable number, because it can be changed into a prime (407968621) 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 7 ways as a sum of consecutive naturals, for example, 3399679 + ... + 3399798.

It is an arithmetic number, because the mean of its divisors is an integer number (47596346).

Almost surely, 2^407968620 is an apocalyptic number.

It is an amenable number.

407968620 is an abundant number, since it is smaller than the sum of its proper divisors (734343684).

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

407968620 is a wasteful number, since it uses less digits than its factorization.

407968620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6799489 (or 6799487 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 407968620 is about 20198.2330910404. The cubic root of 407968620 is about 741.6669385739. Note that the first 3 decimals are identical.

The spelling of 407968620 in words is "four hundred seven million, nine hundred sixty-eight thousand, six hundred twenty".