1010322540 has 72 divisors (see below), whose sum is σ = 3081864240. Its totient is φ = 267905664.

The previous prime is 1010322527. The next prime is 1010322557. The reversal of 1010322540 is 452230101.

1010322540 is a `hidden beast` number, since 1 + 0 + 103 + 22 + 540 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16542 + ... + 47898.

It is an arithmetic number, because the mean of its divisors is an integer number (42803670).

Almost surely, 2^1010322540 is an apocalyptic number.

1010322540 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 1010322540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1540932120).

1010322540 is an abundant number, since it is smaller than the sum of its proper divisors (2071541700).

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

1010322540 is a wasteful number, since it uses less digits than its factorization.

1010322540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31551 (or 31546 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1010322540 is about 31785.5712548949. The cubic root of 1010322540 is about 1003.4290746732.

Adding to 1010322540 its reverse (452230101), we get a palindrome (1462552641).

The spelling of 1010322540 in words is "one billion, ten million, three hundred twenty-two thousand, five hundred forty".