2005450942 has 32 divisors (see below), whose sum is σ = 3362578560. Its totient is φ = 889146720.

The previous prime is 2005450933. The next prime is 2005450981. The reversal of 2005450942 is 2490545002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1373809 + ... + 1375267.

It is an arithmetic number, because the mean of its divisors is an integer number (105080580).

Almost surely, 2^2005450942 is an apocalyptic number.

2005450942 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2005450942 is a deficient number, since it is larger than the sum of its proper divisors (1357127618).

2005450942 is a wasteful number, since it uses less digits than its factorization.

2005450942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2968.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 2005450942 is about 44782.2614658974. The cubic root of 2005450942 is about 1261.0646376794.

Adding to 2005450942 its reverse (2490545002), we get a palindrome (4495995944).

The spelling of 2005450942 in words is "two billion, five million, four hundred fifty thousand, nine hundred forty-two".