402451395 has 8 divisors (see below), whose sum is σ = 643922256. Its totient is φ = 214640736.

The previous prime is 402451381. The next prime is 402451397. The reversal of 402451395 is 593154204.

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

It is not a de Polignac number, because 402451395 - 2⁵ = 402451363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (402451397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13415032 + ... + 13415061.

It is an arithmetic number, because the mean of its divisors is an integer number (80490282).

Almost surely, 2^402451395 is an apocalyptic number.

402451395 is a deficient number, since it is larger than the sum of its proper divisors (241470861).

402451395 is a wasteful number, since it uses less digits than its factorization.

402451395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26830101.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 402451395 is about 20061.1912657250. The cubic root of 402451395 is about 738.3084047496.

The spelling of 402451395 in words is "four hundred two million, four hundred fifty-one thousand, three hundred ninety-five".