402706480 has 40 divisors (see below), whose sum is σ = 1021412304. Its totient is φ = 146438400.

The previous prime is 402706457. The next prime is 402706487. The reversal of 402706480 is 84607204.

402706480 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (402706487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227931 + ... + 229690.

Almost surely, 2^402706480 is an apocalyptic number.

402706480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

402706480 is an abundant number, since it is smaller than the sum of its proper divisors (618705824).

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

402706480 is a wasteful number, since it uses less digits than its factorization.

402706480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457645 (or 457639 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 402706480 is about 20067.5479319223. The cubic root of 402706480 is about 738.4643586742.

The spelling of 402706480 in words is "four hundred two million, seven hundred six thousand, four hundred eighty".