40153210512 has 40 divisors (see below), whose sum is σ = 104159568480. Its totient is φ = 13328862720.

The previous prime is 40153210507. The next prime is 40153210519. The reversal of 40153210512 is 21501235104.

It is a happy number.

It is a super-2 number, since 2×40153210512² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (40153210519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1723962 + ... + 1747097.

It is an arithmetic number, because the mean of its divisors is an integer number (2603989212).

Almost surely, 2^40153210512 is an apocalyptic number.

It is an amenable number.

40153210512 is an abundant number, since it is smaller than the sum of its proper divisors (64006357968).

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

40153210512 is a wasteful number, since it uses less digits than its factorization.

40153210512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3471311 (or 3471305 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 40153210512 its reverse (21501235104), we get a palindrome (61654445616).

The spelling of 40153210512 in words is "forty billion, one hundred fifty-three million, two hundred ten thousand, five hundred twelve".