40135231224 has 96 divisors (see below), whose sum is σ = 120205940400. Its totient is φ = 11995568640.

The previous prime is 40135231211. The next prime is 40135231231. The reversal of 40135231224 is 42213253104.

40135231224 is a `hidden beast` number, since 4 + 0 + 13 + 523 + 122 + 4 = 666.

40135231224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40135231224² (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 23 ways as a sum of consecutive naturals, for example, 289279 + ... + 404910.

Almost surely, 2^40135231224 is an apocalyptic number.

40135231224 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40135231224 is an abundant number, since it is smaller than the sum of its proper divisors (80070709176).

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

40135231224 is a wasteful number, since it uses less digits than its factorization.

40135231224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694285 (or 694278 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 40135231224 its reverse (42213253104), we get a palindrome (82348484328).

The spelling of 40135231224 in words is "forty billion, one hundred thirty-five million, two hundred thirty-one thousand, two hundred twenty-four".