404620044 has 24 divisors (see below), whose sum is σ = 946843968. Its totient is φ = 134483280.

The previous prime is 404620037. The next prime is 404620063. The reversal of 404620044 is 440026404.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 404619996 and 404620023.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44422 + ... + 52749.

It is an arithmetic number, because the mean of its divisors is an integer number (39451832).

Almost surely, 2^404620044 is an apocalyptic number.

It is an amenable number.

404620044 is an abundant number, since it is smaller than the sum of its proper divisors (542223924).

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

404620044 is a wasteful number, since it uses less digits than its factorization.

404620044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97525 (or 97523 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 404620044 is about 20115.1694996587. The cubic root of 404620044 is about 739.6321790242.

Adding to 404620044 its reverse (440026404), we get a palindrome (844646448).

It can be divided in two parts, 4046 and 20044, that added together give a triangular number (24090 = T₂₁₉).

The spelling of 404620044 in words is "four hundred four million, six hundred twenty thousand, forty-four".