402187051343 has 40 divisors (see below), whose sum is σ = 521503221456. Its totient is φ = 307478371200.

The previous prime is 402187051333. The next prime is 402187051369. The reversal of 402187051343 is 343150781204.

It is not a de Polignac number, because 402187051343 - 2⁴ = 402187051327 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 402187051297 and 402187051306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402187051333) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1256123 + ... + 1543443.

Almost surely, 2^402187051343 is an apocalyptic number.

402187051343 is a deficient number, since it is larger than the sum of its proper divisors (119316170113).

402187051343 is an equidigital number, since it uses as much as digits as its factorization.

402187051343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287413 (or 287392 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The spelling of 402187051343 in words is "four hundred two billion, one hundred eighty-seven million, fifty-one thousand, three hundred forty-three".