402087186011 has 12 divisors (see below), whose sum is σ = 468047443392. Its totient is φ = 344415255408.

The previous prime is 402087186001. The next prime is 402087186019. The reversal of 402087186011 is 110681780204.

It is a happy number.

It is not a de Polignac number, because 402087186011 - 2¹⁰ = 402087184987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402087186019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2674955 + ... + 2821268.

It is an arithmetic number, because the mean of its divisors is an integer number (39003953616).

Almost surely, 2^402087186011 is an apocalyptic number.

402087186011 is a deficient number, since it is larger than the sum of its proper divisors (65960257381).

402087186011 is a wasteful number, since it uses less digits than its factorization.

402087186011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5497730 (or 5497723 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 38.

The spelling of 402087186011 in words is "four hundred two billion, eighty-seven million, one hundred eighty-six thousand, eleven".