405031052 has 24 divisors (see below), whose sum is σ = 776381760. Its totient is φ = 184029440.

The previous prime is 405031043. The next prime is 405031057. The reversal of 405031052 is 250130504.

It is not an unprimeable number, because it can be changed into a prime (405031057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100724 + ... + 104667.

It is an arithmetic number, because the mean of its divisors is an integer number (32349240).

Almost surely, 2^405031052 is an apocalyptic number.

It is an amenable number.

405031052 is a deficient number, since it is larger than the sum of its proper divisors (371350708).

405031052 is a wasteful number, since it uses less digits than its factorization.

405031052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205441 (or 205439 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 405031052 is about 20125.3832758534. The cubic root of 405031052 is about 739.8825306597.

Adding to 405031052 its reverse (250130504), we get a palindrome (655161556).

The spelling of 405031052 in words is "four hundred five million, thirty-one thousand, fifty-two".