1494822864 has 80 divisors (see below), whose sum is σ = 4006886400. Its totient is φ = 479635968.

The previous prime is 1494822859. The next prime is 1494822881. The reversal of 1494822864 is 4682284941.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 517777 + ... + 520655.

It is an arithmetic number, because the mean of its divisors is an integer number (50086080).

Almost surely, 2^1494822864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1494822864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2003443200).

1494822864 is an abundant number, since it is smaller than the sum of its proper divisors (2512063536).

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

1494822864 is a wasteful number, since it uses less digits than its factorization.

1494822864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3292 (or 3286 counting only the distinct ones).

The product of its digits is 884736, while the sum is 48.

The square root of 1494822864 is about 38662.9391536650. The cubic root of 1494822864 is about 1143.3957597702.

The spelling of 1494822864 in words is "one billion, four hundred ninety-four million, eight hundred twenty-two thousand, eight hundred sixty-four".