409102826820 has 48 divisors (see below), whose sum is σ = 1146306940800. Its totient is φ = 109016084736.

The previous prime is 409102826789. The next prime is 409102826837. The reversal of 409102826820 is 28628201904.

It is a super-2 number, since 2×409102826820² (a number of 24 digits) contains 22 as substring.

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, 2352937 + ... + 2520816.

It is an arithmetic number, because the mean of its divisors is an integer number (23881394600).

Almost surely, 2^409102826820 is an apocalyptic number.

It is an amenable number.

409102826820 is an abundant number, since it is smaller than the sum of its proper divisors (737204113980).

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

409102826820 is a wasteful number, since it uses less digits than its factorization.

409102826820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4875164 (or 4875162 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 42.

The spelling of 409102826820 in words is "four hundred nine billion, one hundred two million, eight hundred twenty-six thousand, eight hundred twenty".