407051242 has 8 divisors (see below), whose sum is σ = 657544356. Its totient is φ = 187869792.

The previous prime is 407051237. The next prime is 407051243. The reversal of 407051242 is 242150704.

It can be written as a sum of positive squares in 2 ways, for example, as 404774161 + 2277081 = 20119^2 + 1509^2 .

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

It is a super-3 number, since 3×407051242³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (407051243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7827883 + ... + 7827934.

Almost surely, 2^407051242 is an apocalyptic number.

407051242 is a deficient number, since it is larger than the sum of its proper divisors (250493114).

407051242 is a wasteful number, since it uses less digits than its factorization.

407051242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15655832.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 407051242 is about 20175.5109476811. The cubic root of 407051242 is about 741.1106052984.

The spelling of 407051242 in words is "four hundred seven million, fifty-one thousand, two hundred forty-two".