2049740464928 has 48 divisors (see below), whose sum is σ = 4463299242360. Its totient is φ = 920465565696.

The previous prime is 2049740464799. The next prime is 2049740464969. The reversal of 2049740464928 is 8294640479402.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1511847303184 + 537893161744 = 1229572^2 + 733412^2 .

It is a super-3 number, since 3×2049740464928³ (a number of 38 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66569213 + ... + 66599996.

Almost surely, 2^{2049740464928} is an apocalyptic number.

It is an amenable number.

2049740464928 is an abundant number, since it is smaller than the sum of its proper divisors (2413558777432).

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

2049740464928 is a wasteful number, since it uses less digits than its factorization.

2049740464928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133169269 (or 133169261 counting only the distinct ones).

The product of its (nonzero) digits is 27869184, while the sum is 59.

The spelling of 2049740464928 in words is "two trillion, forty-nine billion, seven hundred forty million, four hundred sixty-four thousand, nine hundred twenty-eight".