408484004040 has 96 divisors (see below), whose sum is σ = 1517226310080. Its totient is φ = 93367771776.

The previous prime is 408484004009. The next prime is 408484004041. The reversal of 408484004040 is 40400484804.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 408484003986 and 408484004004.

It is not an unprimeable number, because it can be changed into a prime (408484004041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81045894 + ... + 81050933.

It is an arithmetic number, because the mean of its divisors is an integer number (15804440730).

Almost surely, 2^408484004040 is an apocalyptic number.

408484004040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

408484004040 is an abundant number, since it is smaller than the sum of its proper divisors (1108742306040).

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

408484004040 is a wasteful number, since it uses less digits than its factorization.

408484004040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162096851 (or 162096844 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 36.

Adding to 408484004040 its reverse (40400484804), we get a palindrome (448884488844).

The spelling of 408484004040 in words is "four hundred eight billion, four hundred eighty-four million, four thousand, forty".