40153243550 has 120 divisors (see below), whose sum is σ = 88619718600. Its totient is φ = 13531103040.

The previous prime is 40153243547. The next prime is 40153243573. The reversal of 40153243550 is 5534235104.

It is a happy number.

It is a super-2 number, since 2×40153243550² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 7080116 + ... + 7085784.

It is an arithmetic number, because the mean of its divisors is an integer number (738497655).

Almost surely, 2^40153243550 is an apocalyptic number.

40153243550 is an abundant number, since it is smaller than the sum of its proper divisors (48466475050).

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

40153243550 is an equidigital number, since it uses as much as digits as its factorization.

40153243550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5768 (or 5742 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 40153243550 its reverse (5534235104), we get a palindrome (45687478654).

The spelling of 40153243550 in words is "forty billion, one hundred fifty-three million, two hundred forty-three thousand, five hundred fifty".