2797990464 has 112 divisors (see below), whose sum is σ = 7958937600. Its totient is φ = 864723456.

The previous prime is 2797990463. The next prime is 2797990487. The reversal of 2797990464 is 4640997972.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (2797990463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163297 + ... + 179615.

Almost surely, 2^2797990464 is an apocalyptic number.

2797990464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2797990464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3979468800).

2797990464 is an abundant number, since it is smaller than the sum of its proper divisors (5160947136).

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

2797990464 is a wasteful number, since it uses less digits than its factorization.

2797990464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16400 (or 16390 counting only the distinct ones).

The product of its (nonzero) digits is 6858432, while the sum is 57.

The square root of 2797990464 is about 52896.0344827474. The cubic root of 2797990464 is about 1409.1224799894.

The spelling of 2797990464 in words is "two billion, seven hundred ninety-seven million, nine hundred ninety thousand, four hundred sixty-four".