402406513606 has 8 divisors (see below), whose sum is σ = 606200370984. Its totient is φ = 200339723280.

The previous prime is 402406513583. The next prime is 402406513651. The reversal of 402406513606 is 606315604204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 431766180 + ... + 431767111.

It is an arithmetic number, because the mean of its divisors is an integer number (75775046373).

Almost surely, 2^402406513606 is an apocalyptic number.

402406513606 is a deficient number, since it is larger than the sum of its proper divisors (203793857378).

402406513606 is a wasteful number, since it uses less digits than its factorization.

402406513606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863533526.

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 402406513606 in words is "four hundred two billion, four hundred six million, five hundred thirteen thousand, six hundred six".