405718948 has 12 divisors (see below), whose sum is σ = 732911872. Its totient is φ = 196315560.

The previous prime is 405718933. The next prime is 405718997. The reversal of 405718948 is 849817504.

It is a junction number, because it is equal to n+sod(n) for n = 405718898 and 405718907.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1635840 + ... + 1636087.

Almost surely, 2^405718948 is an apocalyptic number.

It is an amenable number.

405718948 is a deficient number, since it is larger than the sum of its proper divisors (327192924).

405718948 is a wasteful number, since it uses less digits than its factorization.

405718948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3271962 (or 3271960 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 46.

The square root of 405718948 is about 20142.4662839484. The cubic root of 405718948 is about 740.3011605940.

It can be divided in two parts, 4057 and 18948, that added together give a triangular number (23005 = T₂₁₄).

The spelling of 405718948 in words is "four hundred five million, seven hundred eighteen thousand, nine hundred forty-eight".