1020024440 has 16 divisors (see below), whose sum is σ = 2295055080. Its totient is φ = 408009760.

The previous prime is 1020024419. The next prime is 1020024451. The reversal of 1020024440 is 444200201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12750266 + ... + 12750345.

Almost surely, 2^1020024440 is an apocalyptic number.

1020024440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020024440 is an abundant number, since it is smaller than the sum of its proper divisors (1275030640).

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

1020024440 is a wasteful number, since it uses less digits than its factorization.

1020024440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25500622 (or 25500618 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 1020024440 is about 31937.8214660925. The cubic root of 1020024440 is about 1006.6307493191.

Adding to 1020024440 its reverse (444200201), we get a palindrome (1464224641).

The spelling of 1020024440 in words is "one billion, twenty million, twenty-four thousand, four hundred forty".