405145501442 has 32 divisors (see below), whose sum is σ = 664142903424. Its totient is φ = 183830169600.

The previous prime is 405145501433. The next prime is 405145501447. The reversal of 405145501442 is 244105541504.

It is not an unprimeable number, because it can be changed into a prime (405145501447) 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, 71666288 + ... + 71671940.

It is an arithmetic number, because the mean of its divisors is an integer number (20754465732).

Almost surely, 2^405145501442 is an apocalyptic number.

405145501442 is a deficient number, since it is larger than the sum of its proper divisors (258997401982).

405145501442 is a wasteful number, since it uses less digits than its factorization.

405145501442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10874.

The product of its (nonzero) digits is 64000, while the sum is 35.

The spelling of 405145501442 in words is "four hundred five billion, one hundred forty-five million, five hundred one thousand, four hundred forty-two".