409364142 has 16 divisors (see below), whose sum is σ = 893158272. Its totient is φ = 124049720.

The previous prime is 409364141. The next prime is 409364147. The reversal of 409364142 is 241463904.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409364141) 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, 3101178 + ... + 3101309.

It is an arithmetic number, because the mean of its divisors is an integer number (55822392).

Almost surely, 2^409364142 is an apocalyptic number.

409364142 is an abundant number, since it is smaller than the sum of its proper divisors (483794130).

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

409364142 is a wasteful number, since it uses less digits than its factorization.

409364142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6202503.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 409364142 is about 20232.7492447270. The cubic root of 409364142 is about 742.5116396729.

The spelling of 409364142 in words is "four hundred nine million, three hundred sixty-four thousand, one hundred forty-two".