402266248065 has 48 divisors (see below), whose sum is σ = 760990127040. Its totient is φ = 194950688640.

The previous prime is 402266248063. The next prime is 402266248081. The reversal of 402266248065 is 560842662204.

It is not a de Polignac number, because 402266248065 - 2¹ = 402266248063 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 402266248065.

It is not an unprimeable number, because it can be changed into a prime (402266248063) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 929131 + ... + 1291439.

It is an arithmetic number, because the mean of its divisors is an integer number (15853960980).

Almost surely, 2^402266248065 is an apocalyptic number.

402266248065 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

402266248065 is a deficient number, since it is larger than the sum of its proper divisors (358723878975).

402266248065 is a wasteful number, since it uses less digits than its factorization.

402266248065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364574 (or 364571 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 45.

The spelling of 402266248065 in words is "four hundred two billion, two hundred sixty-six million, two hundred forty-eight thousand, sixty-five".