2490216064 has 48 divisors (see below), whose sum is σ = 5770947330. Its totient is φ = 1067232768.

The previous prime is 2490216061. The next prime is 2490216101. The reversal of 2490216064 is 4606120942.

It can be written as a sum of positive squares in only one way, i.e., 1835265600 + 654950464 = 42840^2 + 25592^2 .

It is not an unprimeable number, because it can be changed into a prime (2490216061) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 192247 + ... + 204790.

Almost surely, 2^2490216064 is an apocalyptic number.

It is an amenable number.

2490216064 is an abundant number, since it is smaller than the sum of its proper divisors (3280731266).

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

2490216064 is an equidigital number, since it uses as much as digits as its factorization.

2490216064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397065 (or 397046 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 2490216064 is about 49902.0647268227. The cubic root of 2490216064 is about 1355.4359810359.

The spelling of 2490216064 in words is "two billion, four hundred ninety million, two hundred sixteen thousand, sixty-four".