40153104520 has 16 divisors (see below), whose sum is σ = 90344485260. Its totient is φ = 16061241792.

The previous prime is 40153104413. The next prime is 40153104539. The reversal of 40153104520 is 2540135104.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 32635867716 + 7517236804 = 180654^2 + 86702^2 .

It is a super-2 number, since 2×40153104520² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 501913767 + ... + 501913846.

Almost surely, 2^40153104520 is an apocalyptic number.

40153104520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40153104520 is an abundant number, since it is smaller than the sum of its proper divisors (50191380740).

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

40153104520 is a wasteful number, since it uses less digits than its factorization.

40153104520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003827624 (or 1003827620 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 40153104520 its reverse (2540135104), we get a palindrome (42693239624).

The spelling of 40153104520 in words is "forty billion, one hundred fifty-three million, one hundred four thousand, five hundred twenty".