406274542 has 8 divisors (see below), whose sum is σ = 616754376. Its totient is φ = 200689752.

The previous prime is 406274497. The next prime is 406274593. The reversal of 406274542 is 245472604.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 406274498 and 406274507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1223553 + ... + 1223884.

It is an arithmetic number, because the mean of its divisors is an integer number (77094297).

Almost surely, 2^406274542 is an apocalyptic number.

406274542 is a deficient number, since it is larger than the sum of its proper divisors (210479834).

406274542 is a wasteful number, since it uses less digits than its factorization.

406274542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2447522.

The product of its (nonzero) digits is 53760, while the sum is 34.

The square root of 406274542 is about 20156.2531736432. The cubic root of 406274542 is about 740.6389307664.

The spelling of 406274542 in words is "four hundred six million, two hundred seventy-four thousand, five hundred forty-two".