1501005240 has 144 divisors (see below), whose sum is σ = 5674785480. Its totient is φ = 343082880.

The previous prime is 1501005239. The next prime is 1501005347. The reversal of 1501005240 is 425001051.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 24906 + ... + 60185.

Almost surely, 2^1501005240 is an apocalyptic number.

1501005240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1501005240 is an abundant number, since it is smaller than the sum of its proper divisors (4173780240).

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

1501005240 is a wasteful number, since it uses less digits than its factorization.

1501005240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85122 (or 85108 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 1501005240 is about 38742.8088811330. The cubic root of 1501005240 is about 1144.9698993504.

Adding to 1501005240 its reverse (425001051), we get a palindrome (1926006291).

The spelling of 1501005240 in words is "one billion, five hundred one million, five thousand, two hundred forty".