402274018777 has 8 divisors (see below), whose sum is σ = 415704769920. Its totient is φ = 389028519600.

The previous prime is 402274018759. The next prime is 402274018837. The reversal of 402274018777 is 777810472204.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 402274018777 - 2¹⁹ = 402273494489 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 402274018777.

It is not an unprimeable number, because it can be changed into a prime (402272018777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46308577 + ... + 46317262.

It is an arithmetic number, because the mean of its divisors is an integer number (51963096240).

Almost surely, 2^402274018777 is an apocalyptic number.

It is an amenable number.

402274018777 is a deficient number, since it is larger than the sum of its proper divisors (13430751143).

402274018777 is a wasteful number, since it uses less digits than its factorization.

402274018777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92625983.

The product of its (nonzero) digits is 1229312, while the sum is 49.

The spelling of 402274018777 in words is "four hundred two billion, two hundred seventy-four million, eighteen thousand, seven hundred seventy-seven".