402699658064 has 20 divisors (see below), whose sum is σ = 851160641280. Its totient is φ = 183045299040.

The previous prime is 402699658013. The next prime is 402699658171. The reversal of 402699658064 is 460856996204.

It is a junction number, because it is equal to n+sod(n) for n = 402699657994 and 402699658012.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1144032944 + ... + 1144033295.

It is an arithmetic number, because the mean of its divisors is an integer number (42558032064).

Almost surely, 2^402699658064 is an apocalyptic number.

402699658064 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

402699658064 is an abundant number, since it is smaller than the sum of its proper divisors (448460983216).

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

402699658064 is a wasteful number, since it uses less digits than its factorization.

402699658064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2288066258 (or 2288066252 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 59.

The spelling of 402699658064 in words is "four hundred two billion, six hundred ninety-nine million, six hundred fifty-eight thousand, sixty-four".