406949801748 has 48 divisors (see below), whose sum is σ = 1085232731520. Its totient is φ = 116267808384.

The previous prime is 406949801719. The next prime is 406949801773. The reversal of 406949801748 is 847108949604.

It is a super-2 number, since 2×406949801748² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 406949801691 and 406949801700.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4016658 + ... + 4116726.

It is an arithmetic number, because the mean of its divisors is an integer number (22609015240).

Almost surely, 2^406949801748 is an apocalyptic number.

It is an amenable number.

406949801748 is an abundant number, since it is smaller than the sum of its proper divisors (678282929772).

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

406949801748 is a wasteful number, since it uses less digits than its factorization.

406949801748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148496 (or 148494 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 60.

The spelling of 406949801748 in words is "four hundred six billion, nine hundred forty-nine million, eight hundred one thousand, seven hundred forty-eight".