405040150 has 12 divisors (see below), whose sum is σ = 753374772. Its totient is φ = 162016040.

The previous prime is 405040109. The next prime is 405040159. The reversal of 405040150 is 51040504.

It is a super-2 number, since 2×405040150² = 328115046224045000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405040159) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 4050352 + ... + 4050451.

It is an arithmetic number, because the mean of its divisors is an integer number (62781231).

Almost surely, 2^405040150 is an apocalyptic number.

405040150 is a deficient number, since it is larger than the sum of its proper divisors (348334622).

405040150 is a wasteful number, since it uses less digits than its factorization.

405040150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8100815 (or 8100810 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 405040150 is about 20125.6093075464. The cubic root of 405040150 is about 739.8880704826. Note that the first 3 decimals are identical.

Adding to 405040150 its reverse (51040504), we get a palindrome (456080654).

The spelling of 405040150 in words is "four hundred five million, forty thousand, one hundred fifty".