1506022740 has 96 divisors (see below), whose sum is σ = 4731068160. Its totient is φ = 397692288.

The previous prime is 1506022709. The next prime is 1506022757. The reversal of 1506022740 is 472206051.

1506022740 is a `hidden beast` number, since 1 + 50 + 602 + 2 + 7 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42082 + ... + 69158.

It is an arithmetic number, because the mean of its divisors is an integer number (49281960).

Almost surely, 2^1506022740 is an apocalyptic number.

1506022740 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 1506022740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2365534080).

1506022740 is an abundant number, since it is smaller than the sum of its proper divisors (3225045420).

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

1506022740 is a wasteful number, since it uses less digits than its factorization.

1506022740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27198 (or 27190 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 1506022740 is about 38807.5088095075. The cubic root of 1506022740 is about 1146.2442668920.

Adding to 1506022740 its reverse (472206051), we get a palindrome (1978228791).

The spelling of 1506022740 in words is "one billion, five hundred six million, twenty-two thousand, seven hundred forty".