1039824940 has 192 divisors, whose sum is σ = 2935554048. Its totient is φ = 299692800.

The previous prime is 1039824901. The next prime is 1039824943. The reversal of 1039824940 is 494289301.

It is a junction number, because it is equal to n+sod(n) for n = 1039824893 and 1039824902.

It is not an unprimeable number, because it can be changed into a prime (1039824943) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1097547 + ... + 1098493.

It is an arithmetic number, because the mean of its divisors is an integer number (15289344).

It is a vampire number, since it can be written as 20834 ⋅ 49910 (with its own digits).

Almost surely, 2^1039824940 is an apocalyptic number.

1039824940 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 1039824940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1467777024).

1039824940 is an abundant number, since it is smaller than the sum of its proper divisors (1895729108).

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

1039824940 is a wasteful number, since it uses less digits than its factorization.

1039824940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028 (or 1026 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 1039824940 is about 32246.3166888871. The cubic root of 1039824940 is about 1013.1025532952.

The spelling of 1039824940 in words is "one billion, thirty-nine million, eight hundred twenty-four thousand, nine hundred forty".