2269115792478 has 48 divisors (see below), whose sum is σ = 4941917136000. Its totient is φ = 752450141520.

The previous prime is 2269115792459. The next prime is 2269115792479. The reversal of 2269115792478 is 8742975119622.

2269115792478 is a `hidden beast` number, since 2 + 2 + 6 + 9 + 1 + 157 + 9 + 2 + 478 = 666.

It is a super-2 number, since 2×2269115792478² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2269115792479) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23804973 + ... + 23900103.

It is an arithmetic number, because the mean of its divisors is an integer number (102956607000).

Almost surely, 2^{2269115792478} is an apocalyptic number.

2269115792478 is an abundant number, since it is smaller than the sum of its proper divisors (2672801343522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2269115792478 is a wasteful number, since it uses less digits than its factorization.

2269115792478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101997 (or 101994 counting only the distinct ones).

The product of its digits is 30481920, while the sum is 63.

The spelling of 2269115792478 in words is "two trillion, two hundred sixty-nine billion, one hundred fifteen million, seven hundred ninety-two thousand, four hundred seventy-eight".