402068038 has 8 divisors (see below), whose sum is σ = 604677888. Its totient is φ = 200508744.

The previous prime is 402068021. The next prime is 402068039. The reversal of 402068038 is 830860204.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402068039) 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, 261681 + ... + 263212.

It is an arithmetic number, because the mean of its divisors is an integer number (75584736).

Almost surely, 2^402068038 is an apocalyptic number.

402068038 is a deficient number, since it is larger than the sum of its proper divisors (202609850).

402068038 is a wasteful number, since it uses less digits than its factorization.

402068038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525278.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 402068038 is about 20051.6342974831. The cubic root of 402068038 is about 738.0739038756.

The spelling of 402068038 in words is "four hundred two million, sixty-eight thousand, thirty-eight".