1024252240 has 40 divisors (see below), whose sum is σ = 2597878368. Its totient is φ = 372455040.

The previous prime is 1024252237. The next prime is 1024252277. The reversal of 1024252240 is 422524201.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1024252240² = 2098185302290035200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 581082 + ... + 582841.

Almost surely, 2^1024252240 is an apocalyptic number.

1024252240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1024252240 is an abundant number, since it is smaller than the sum of its proper divisors (1573626128).

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

1024252240 is a wasteful number, since it uses less digits than its factorization.

1024252240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163947 (or 1163941 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 1024252240 is about 32003.9410073197. The cubic root of 1024252240 is about 1008.0195941853.

Adding to 1024252240 its reverse (422524201), we get a palindrome (1446776441).

The spelling of 1024252240 in words is "one billion, twenty-four million, two hundred fifty-two thousand, two hundred forty".