440212136 has 64 divisors (see below), whose sum is σ = 1026103680. Its totient is φ = 172396800.

The previous prime is 440212081. The next prime is 440212147. The reversal of 440212136 is 631212044.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70535 + ... + 76521.

It is an arithmetic number, because the mean of its divisors is an integer number (16032870).

Almost surely, 2^440212136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 440212136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (513051840).

440212136 is an abundant number, since it is smaller than the sum of its proper divisors (585891544).

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

440212136 is a wasteful number, since it uses less digits than its factorization.

440212136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6114 (or 6110 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 440212136 is about 20981.2329475653. The cubic root of 440212136 is about 760.7127063200.

The spelling of 440212136 in words is "four hundred forty million, two hundred twelve thousand, one hundred thirty-six".