2240121532 has 24 divisors (see below), whose sum is σ = 4357290672. Its totient is φ = 999024000.

The previous prime is 2240121529. The next prime is 2240121571. The reversal of 2240121532 is 2351210422.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 477969 + ... + 482632.

It is an arithmetic number, because the mean of its divisors is an integer number (181553778).

Almost surely, 2^2240121532 is an apocalyptic number.

2240121532 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2240121532 is a deficient number, since it is larger than the sum of its proper divisors (2117169140).

2240121532 is a wasteful number, since it uses less digits than its factorization.

2240121532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960669 (or 960667 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2240121532 is about 47329.9221634686. The cubic root of 2240121532 is about 1308.4501866970.

Adding to 2240121532 its reverse (2351210422), we get a palindrome (4591331954).

The spelling of 2240121532 in words is "two billion, two hundred forty million, one hundred twenty-one thousand, five hundred thirty-two".