244635420 has 48 divisors (see below), whose sum is σ = 690002208. Its totient is φ = 64757760.

The previous prime is 244635409. The next prime is 244635449. The reversal of 244635420 is 24536442.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 6661 + ... + 23100.

It is an arithmetic number, because the mean of its divisors is an integer number (14375046).

Almost surely, 2^244635420 is an apocalyptic number.

244635420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244635420 is an abundant number, since it is smaller than the sum of its proper divisors (445366788).

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

244635420 is a wasteful number, since it uses less digits than its factorization.

244635420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29910 (or 29908 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 244635420 is about 15640.8254257888. The cubic root of 244635420 is about 625.4219401490.

The spelling of 244635420 in words is "two hundred forty-four million, six hundred thirty-five thousand, four hundred twenty".