408227742 has 32 divisors (see below), whose sum is σ = 976956960. Its totient is φ = 125608320.

The previous prime is 408227737. The next prime is 408227761. The reversal of 408227742 is 247722804.

It is a junction number, because it is equal to n+sod(n) for n = 408227697 and 408227706.

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, 290059 + ... + 291462.

It is an arithmetic number, because the mean of its divisors is an integer number (30529905).

Almost surely, 2^408227742 is an apocalyptic number.

408227742 is an abundant number, since it is smaller than the sum of its proper divisors (568729218).

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

408227742 is a wasteful number, since it uses less digits than its factorization.

408227742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581545 (or 581539 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 36.

The square root of 408227742 is about 20204.6465447926. The cubic root of 408227742 is about 741.8239290360.

It can be divided in two parts, 408 and 227742, that added together give a triangular number (228150 = T₆₇₅).

The spelling of 408227742 in words is "four hundred eight million, two hundred twenty-seven thousand, seven hundred forty-two".