402747274819 has 8 divisors (see below), whose sum is σ = 403501518000. Its totient is φ = 401993367072.

The previous prime is 402747274781. The next prime is 402747274841. The reversal of 402747274819 is 918472747204.

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 402747274819 - 2¹⁹ = 402746750531 is a prime.

It is a super-2 number, since 2×402747274819² (a number of 24 digits) contains 22 as substring.

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 402747274819.

It is not an unprimeable number, because it can be changed into a prime (402747274849) 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, 2387637 + ... + 2550745.

It is an arithmetic number, because the mean of its divisors is an integer number (50437689750).

Almost surely, 2^402747274819 is an apocalyptic number.

402747274819 is a deficient number, since it is larger than the sum of its proper divisors (754243181).

402747274819 is a wasteful number, since it uses less digits than its factorization.

402747274819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167717.

The product of its (nonzero) digits is 6322176, while the sum is 55.

The spelling of 402747274819 in words is "four hundred two billion, seven hundred forty-seven million, two hundred seventy-four thousand, eight hundred nineteen".