2240521500 has 96 divisors (see below), whose sum is σ = 7456490496. Its totient is φ = 512116800.

The previous prime is 2240521453. The next prime is 2240521531. The reversal of 2240521500 is 51250422.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96192 + ... + 117191.

It is an arithmetic number, because the mean of its divisors is an integer number (77671776).

Almost surely, 2^2240521500 is an apocalyptic number.

2240521500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2240521500 is an abundant number, since it is smaller than the sum of its proper divisors (5215968996).

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

2240521500 is a wasteful number, since it uses less digits than its factorization.

2240521500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213412 (or 213400 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 2240521500 is about 47334.1472934709. The cubic root of 2240521500 is about 1308.5280555466.

Adding to 2240521500 its reverse (51250422), we get a palindrome (2291771922).

The spelling of 2240521500 in words is "two billion, two hundred forty million, five hundred twenty-one thousand, five hundred".