402424026 has 8 divisors (see below), whose sum is σ = 804848064. Its totient is φ = 134141340.

The previous prime is 402424021. The next prime is 402424037. The reversal of 402424026 is 620424204.

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

402424026 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 402423987 and 402424005.

It is not an unprimeable number, because it can be changed into a prime (402424021) 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, 33535330 + ... + 33535341.

It is an arithmetic number, because the mean of its divisors is an integer number (100606008).

Almost surely, 2^402424026 is an apocalyptic number.

402424026 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

402424026 is a wasteful number, since it uses less digits than its factorization.

402424026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67070676.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 402424026 is about 20060.5091161715. The cubic root of 402424026 is about 738.2916679701.

The spelling of 402424026 in words is "four hundred two million, four hundred twenty-four thousand, twenty-six".