402156115 has 8 divisors (see below), whose sum is σ = 485013600. Its totient is φ = 320107392.

The previous prime is 402156107. The next prime is 402156119. The reversal of 402156115 is 511651204.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 402156115 - 2³ = 402156107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 402156115.

It is not an unprimeable number, because it can be changed into a prime (402156119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201094 + ... + 203083.

It is an arithmetic number, because the mean of its divisors is an integer number (60626700).

Almost surely, 2^402156115 is an apocalyptic number.

402156115 is a deficient number, since it is larger than the sum of its proper divisors (82857485).

402156115 is a wasteful number, since it uses less digits than its factorization.

402156115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404381.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 402156115 is about 20053.8304321145. The cubic root of 402156115 is about 738.1277940822.

The spelling of 402156115 in words is "four hundred two million, one hundred fifty-six thousand, one hundred fifteen".