405140150 has 24 divisors (see below), whose sum is σ = 779548320. Its totient is φ = 156467360.

The previous prime is 405140149. The next prime is 405140161. The reversal of 405140150 is 51041504.

It is a super-2 number, since 2×405140150² = 328277082284045000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138254 + ... + 141153.

It is an arithmetic number, because the mean of its divisors is an integer number (32481180).

Almost surely, 2^405140150 is an apocalyptic number.

405140150 is a deficient number, since it is larger than the sum of its proper divisors (374408170).

405140150 is a wasteful number, since it uses less digits than its factorization.

405140150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279448 (or 279443 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 405140150 is about 20128.0935510545. The cubic root of 405140150 is about 739.9489555733.

Adding to 405140150 its reverse (51041504), we get a palindrome (456181654).

The spelling of 405140150 in words is "four hundred five million, one hundred forty thousand, one hundred fifty".