1500213240 has 192 divisors, whose sum is σ = 5024448000. Its totient is φ = 387991296.

The previous prime is 1500213233. The next prime is 1500213289. The reversal of 1500213240 is 423120051.

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 polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3080277 + ... + 3080763.

It is an arithmetic number, because the mean of its divisors is an integer number (26169000).

Almost surely, 2^1500213240 is an apocalyptic number.

1500213240 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 1500213240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2512224000).

1500213240 is an abundant number, since it is smaller than the sum of its proper divisors (3524234760).

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

1500213240 is a wasteful number, since it uses less digits than its factorization.

1500213240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746 (or 739 counting only the distinct ones).

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

The square root of 1500213240 is about 38732.5862808050. The cubic root of 1500213240 is about 1144.7684841753.

Adding to 1500213240 its reverse (423120051), we get a palindrome (1923333291).

The spelling of 1500213240 in words is "one billion, five hundred million, two hundred thirteen thousand, two hundred forty".