402114451 has 4 divisors (see below), whose sum is σ = 419597712. Its totient is φ = 384631192.

The previous prime is 402114443. The next prime is 402114463. The reversal of 402114451 is 154411204.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 402114451 - 2³ = 402114443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402114421) 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, 8741596 + ... + 8741641.

It is an arithmetic number, because the mean of its divisors is an integer number (104899428).

Almost surely, 2^402114451 is an apocalyptic number.

402114451 is a deficient number, since it is larger than the sum of its proper divisors (17483261).

402114451 is a wasteful number, since it uses less digits than its factorization.

402114451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17483260.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 402114451 is about 20052.7916011711. The cubic root of 402114451 is about 738.1023028054.

Adding to 402114451 its reverse (154411204), we get a palindrome (556525655).

The spelling of 402114451 in words is "four hundred two million, one hundred fourteen thousand, four hundred fifty-one".