402043146515 has 8 divisors (see below), whose sum is σ = 503427940128. Its totient is φ = 307650407680.

The previous prime is 402043146511. The next prime is 402043146551. The reversal of 402043146515 is 515641340204.

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

It is not a de Polignac number, because 402043146515 - 2² = 402043146511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402043146511) 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, 1748013566 + ... + 1748013795.

It is an arithmetic number, because the mean of its divisors is an integer number (62928492516).

Almost surely, 2^402043146515 is an apocalyptic number.

402043146515 is a deficient number, since it is larger than the sum of its proper divisors (101384793613).

402043146515 is a wasteful number, since it uses less digits than its factorization.

402043146515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3496027389.

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 402043146515 its reverse (515641340204), we get a palindrome (917684486719).

The spelling of 402043146515 in words is "four hundred two billion, forty-three million, one hundred forty-six thousand, five hundred fifteen".