2991404652 has 24 divisors (see below), whose sum is σ = 6983961600. Its totient is φ = 996560976.

The previous prime is 2991404651. The next prime is 2991404657. The reversal of 2991404652 is 2564041992.

2991404652 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 2×2991404652² = 17897003584014482208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2991404651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49752 + ... + 91967.

It is an arithmetic number, because the mean of its divisors is an integer number (290998400).

Almost surely, 2^2991404652 is an apocalyptic number.

It is an amenable number.

2991404652 is an abundant number, since it is smaller than the sum of its proper divisors (3992556948).

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

2991404652 is a wasteful number, since it uses less digits than its factorization.

2991404652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143485 (or 143483 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 2991404652 is about 54693.7350342797. The cubic root of 2991404652 is about 1440.8708486287.

The spelling of 2991404652 in words is "two billion, nine hundred ninety-one million, four hundred four thousand, six hundred fifty-two".