402425414 has 8 divisors (see below), whose sum is σ = 618361128. Its totient is φ = 196305040.

The previous prime is 402425407. The next prime is 402425423. The reversal of 402425414 is 414524204.

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

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, 2453732 + ... + 2453895.

It is an arithmetic number, because the mean of its divisors is an integer number (77295141).

Almost surely, 2^402425414 is an apocalyptic number.

402425414 is a deficient number, since it is larger than the sum of its proper divisors (215935714).

402425414 is a wasteful number, since it uses less digits than its factorization.

402425414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4907670.

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 402425414 is about 20060.5437114750. The cubic root of 402425414 is about 738.2925167826.

Adding to 402425414 its reverse (414524204), we get a palindrome (816949618).

The spelling of 402425414 in words is "four hundred two million, four hundred twenty-five thousand, four hundred fourteen".