436440420 has 96 divisors (see below), whose sum is σ = 1462285440. Its totient is φ = 107429760.

The previous prime is 436440409. The next prime is 436440427. The reversal of 436440420 is 24044634.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (436440427) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24066 + ... + 38105.

It is an arithmetic number, because the mean of its divisors is an integer number (15232140).

Almost surely, 2^436440420 is an apocalyptic number.

It is an amenable number.

436440420 is an abundant number, since it is smaller than the sum of its proper divisors (1025845020).

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

436440420 is a wasteful number, since it uses less digits than its factorization.

436440420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62202 (or 62194 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 436440420 is about 20891.1565022140. The cubic root of 436440420 is about 758.5338886955.

The spelling of 436440420 in words is "four hundred thirty-six million, four hundred forty thousand, four hundred twenty".