2390446464 has 128 divisors (see below), whose sum is σ = 7349222400. Its totient is φ = 674279424.

The previous prime is 2390446433. The next prime is 2390446507. The reversal of 2390446464 is 4646440932.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 206724 + ... + 217980.

It is an arithmetic number, because the mean of its divisors is an integer number (57415800).

Almost surely, 2^2390446464 is an apocalyptic number.

2390446464 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 2390446464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3674611200).

2390446464 is an abundant number, since it is smaller than the sum of its proper divisors (4958775936).

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

2390446464 is a wasteful number, since it uses less digits than its factorization.

2390446464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11360 (or 11348 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 42.

The square root of 2390446464 is about 48892.1922601145. The cubic root of 2390446464 is about 1337.0870233305.

The spelling of 2390446464 in words is "two billion, three hundred ninety million, four hundred forty-six thousand, four hundred sixty-four".