406281740 has 24 divisors (see below), whose sum is σ = 853790112. Its totient is φ = 162398720.

The previous prime is 406281739. The next prime is 406281761. The reversal of 406281740 is 47182604.

It is a junction number, because it is equal to n+sod(n) for n = 406281697 and 406281706.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25820 + ... + 38460.

It is an arithmetic number, because the mean of its divisors is an integer number (35574588).

Almost surely, 2^406281740 is an apocalyptic number.

It is an amenable number.

406281740 is an abundant number, since it is smaller than the sum of its proper divisors (447508372).

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

406281740 is a wasteful number, since it uses less digits than its factorization.

406281740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14257 (or 14255 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 406281740 is about 20156.4317278629. The cubic root of 406281740 is about 740.6433047278.

The spelling of 406281740 in words is "four hundred six million, two hundred eighty-one thousand, seven hundred forty".