402697805080 has 64 divisors (see below), whose sum is σ = 957851762400. Its totient is φ = 151946265600.

The previous prime is 402697804997. The next prime is 402697805089. The reversal of 402697805080 is 80508796204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402697805089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 959971 + ... + 1314130.

Almost surely, 2^402697805080 is an apocalyptic number.

402697805080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

402697805080 is an abundant number, since it is smaller than the sum of its proper divisors (555153957320).

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

402697805080 is a wasteful number, since it uses less digits than its factorization.

402697805080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2274364 (or 2274360 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 49.

The spelling of 402697805080 in words is "four hundred two billion, six hundred ninety-seven million, eight hundred five thousand, eighty".