1495789440 has 256 divisors, whose sum is σ = 5073235200. Its totient is φ = 373800960.

The previous prime is 1495789433. The next prime is 1495789517. The reversal of 1495789440 is 449875941.

1495789440 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4778724 + ... + 4779036.

It is an arithmetic number, because the mean of its divisors is an integer number (19817325).

Almost surely, 2^1495789440 is an apocalyptic number.

1495789440 is a gapful number since it is divisible by the number (10) 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 1495789440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2536617600).

1495789440 is an abundant number, since it is smaller than the sum of its proper divisors (3577445760).

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

1495789440 is a wasteful number, since it uses less digits than its factorization.

1495789440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485 (or 473 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 51.

The square root of 1495789440 is about 38675.4371662429. The cubic root of 1495789440 is about 1143.6421525711.

The spelling of 1495789440 in words is "one billion, four hundred ninety-five million, seven hundred eighty-nine thousand, four hundred forty".