1015254240 has 384 divisors, whose sum is σ = 4295918592. Its totient is φ = 194641920.

The previous prime is 1015254223. The next prime is 1015254271. The reversal of 1015254240 is 424525101.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1015254240.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 479424 + ... + 481536.

It is an arithmetic number, because the mean of its divisors is an integer number (11187288).

Almost surely, 2^1015254240 is an apocalyptic number.

1015254240 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 1015254240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2147959296).

1015254240 is an abundant number, since it is smaller than the sum of its proper divisors (3280664352).

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

1015254240 is a wasteful number, since it uses less digits than its factorization.

1015254240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2162 (or 2154 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 1015254240 is about 31863.0544675177. The cubic root of 1015254240 is about 1005.0591089217.

Adding to 1015254240 its reverse (424525101), we get a palindrome (1439779341).

It can be divided in two parts, 1015 and 254240, that added together give a triangular number (255255 = T₇₁₄).

The spelling of 1015254240 in words is "one billion, fifteen million, two hundred fifty-four thousand, two hundred forty".