406012365 has 64 divisors (see below), whose sum is σ = 790606080. Its totient is φ = 196058880.

The previous prime is 406012351. The next prime is 406012403. The reversal of 406012365 is 563210604.

It is not a de Polignac number, because 406012365 - 2¹² = 406008269 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 553539 + ... + 554271.

It is an arithmetic number, because the mean of its divisors is an integer number (12353220).

Almost surely, 2^406012365 is an apocalyptic number.

406012365 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

406012365 is a deficient number, since it is larger than the sum of its proper divisors (384593715).

406012365 is a wasteful number, since it uses less digits than its factorization.

406012365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131 (or 1125 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 406012365 is about 20149.7485095968. The cubic root of 406012365 is about 740.4795801656.

Adding to 406012365 its reverse (563210604), we get a palindrome (969222969).

The spelling of 406012365 in words is "four hundred six million, twelve thousand, three hundred sixty-five".