409951612 has 24 divisors (see below), whose sum is σ = 821600640. Its totient is φ = 175329840.

The previous prime is 409951603. The next prime is 409951613. The reversal of 409951612 is 216159904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409951613) 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, 1162 + ... + 28657.

It is an arithmetic number, because the mean of its divisors is an integer number (34233360).

Almost surely, 2^409951612 is an apocalyptic number.

It is an amenable number.

409951612 is an abundant number, since it is smaller than the sum of its proper divisors (411649028).

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

409951612 is a wasteful number, since it uses less digits than its factorization.

409951612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30321 (or 30319 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 409951612 is about 20247.2618395673. The cubic root of 409951612 is about 742.8666575916.

The spelling of 409951612 in words is "four hundred nine million, nine hundred fifty-one thousand, six hundred twelve".