405150042 has 32 divisors (see below), whose sum is σ = 904527360. Its totient is φ = 119916720.

The previous prime is 405150023. The next prime is 405150047. The reversal of 405150042 is 240051504.

It is not an unprimeable number, because it can be changed into a prime (405150047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68542 + ... + 74217.

It is an arithmetic number, because the mean of its divisors is an integer number (28266480).

Almost surely, 2^405150042 is an apocalyptic number.

405150042 is an abundant number, since it is smaller than the sum of its proper divisors (499377318).

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

405150042 is a wasteful number, since it uses less digits than its factorization.

405150042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142818.

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

The square root of 405150042 is about 20128.3392757575. The cubic root of 405150042 is about 739.9549777819.

The spelling of 405150042 in words is "four hundred five million, one hundred fifty thousand, forty-two".