412238778 has 16 divisors (see below), whose sum is σ = 942260160. Its totient is φ = 117782496.

The previous prime is 412238773. The next prime is 412238779. The reversal of 412238778 is 877832214.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 9815209 = 412238778 / (4 + 1 + 2 + 2 + 3 + 8 + 7 + 7 + 8).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (412238773) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4907563 + ... + 4907646.

It is an arithmetic number, because the mean of its divisors is an integer number (58891260).

Almost surely, 2^412238778 is an apocalyptic number.

412238778 is an abundant number, since it is smaller than the sum of its proper divisors (530021382).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

412238778 is a wasteful number, since it uses less digits than its factorization.

412238778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9815221.

The product of its digits is 150528, while the sum is 42.

The square root of 412238778 is about 20303.6641520687. The cubic root of 412238778 is about 744.2456084417.

The spelling of 412238778 in words is "four hundred twelve million, two hundred thirty-eight thousand, seven hundred seventy-eight".