2279991504 has 80 divisors (see below), whose sum is σ = 6913371008. Its totient is φ = 633816576.

The previous prime is 2279991437. The next prime is 2279991521. The reversal of 2279991504 is 4051999722.

2279991504 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2279991504² = 10396722516624364032, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79267 + ... + 104130.

Almost surely, 2^2279991504 is an apocalyptic number.

2279991504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2279991504 is an abundant number, since it is smaller than the sum of its proper divisors (4633379504).

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

2279991504 is a wasteful number, since it uses less digits than its factorization.

2279991504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183452 (or 183446 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 48.

The square root of 2279991504 is about 47749.2565806003. The cubic root of 2279991504 is about 1316.1672382260.

It can be divided in two parts, 227999 and 1504, that added together give a triangular number (229503 = T₆₇₇).

The spelling of 2279991504 in words is "two billion, two hundred seventy-nine million, nine hundred ninety-one thousand, five hundred four".