1013124440 has 32 divisors (see below), whose sum is σ = 2308392000. Its totient is φ = 400118784.

The previous prime is 1013124421. The next prime is 1013124523. The reversal of 1013124440 is 444213101.

It is a super-2 number, since 2×1013124440² = 2052842261850627200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 157145 + ... + 163464.

It is an arithmetic number, because the mean of its divisors is an integer number (72137250).

Almost surely, 2^1013124440 is an apocalyptic number.

1013124440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1013124440 is an abundant number, since it is smaller than the sum of its proper divisors (1295267560).

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

1013124440 is a wasteful number, since it uses less digits than its factorization.

1013124440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320699 (or 320695 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1013124440 is about 31829.6157689659. The cubic root of 1013124440 is about 1004.3558126815.

Adding to 1013124440 its reverse (444213101), we get a palindrome (1457337541).

The spelling of 1013124440 in words is "one billion, thirteen million, one hundred twenty-four thousand, four hundred forty".