402543565116 has 48 divisors (see below), whose sum is σ = 1171035828480. Its totient is φ = 104556769920.

The previous prime is 402543565103. The next prime is 402543565129. The reversal of 402543565116 is 611565345204.

It is an interprime number because it is at equal distance from previous prime (402543565103) and next prime (402543565129).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217825681 + ... + 217827528.

It is an arithmetic number, because the mean of its divisors is an integer number (24396579760).

Almost surely, 2^402543565116 is an apocalyptic number.

It is an amenable number.

402543565116 is an abundant number, since it is smaller than the sum of its proper divisors (768492263364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

402543565116 is a wasteful number, since it uses less digits than its factorization.

402543565116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435653234 (or 435653232 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 42.

The spelling of 402543565116 in words is "four hundred two billion, five hundred forty-three million, five hundred sixty-five thousand, one hundred sixteen".