405150402 has 16 divisors (see below), whose sum is σ = 813665952. Its totient is φ = 134489280.

The previous prime is 405150379. The next prime is 405150467. The reversal of 405150402 is 204051504.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138648 + ... + 141539.

It is an arithmetic number, because the mean of its divisors is an integer number (50854122).

Almost surely, 2^405150402 is an apocalyptic number.

405150402 is an abundant number, since it is smaller than the sum of its proper divisors (408515550).

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

405150402 is a wasteful number, since it uses less digits than its factorization.

405150402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280433.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 405150402 is about 20128.3482183710. The cubic root of 405150402 is about 739.9551969466.

The spelling of 405150402 in words is "four hundred five million, one hundred fifty thousand, four hundred two".