40430424918 has 32 divisors (see below), whose sum is σ = 88723960416. Its totient is φ = 12205410048.

The previous prime is 40430424917. The next prime is 40430424953. The reversal of 40430424918 is 81942403404.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40430424917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4885855 + ... + 4894122.

It is an arithmetic number, because the mean of its divisors is an integer number (2772623763).

Almost surely, 2^40430424918 is an apocalyptic number.

40430424918 is an abundant number, since it is smaller than the sum of its proper divisors (48293535498).

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

40430424918 is a wasteful number, since it uses less digits than its factorization.

40430424918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9780048.

The product of its (nonzero) digits is 110592, while the sum is 39.

The spelling of 40430424918 in words is "forty billion, four hundred thirty million, four hundred twenty-four thousand, nine hundred eighteen".