40024218037 has 4 divisors (see below), whose sum is σ = 40292837100. Its totient is φ = 39755598976.

The previous prime is 40024218011. The next prime is 40024218061. The reversal of 40024218037 is 73081242004.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23773322596 + 16250895441 = 154186^2 + 127479^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40024218037 is a prime.

It is a super-2 number, since 2×40024218037² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40024218077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134309308 + ... + 134309605.

It is an arithmetic number, because the mean of its divisors is an integer number (10073209275).

Almost surely, 2^40024218037 is an apocalyptic number.

It is an amenable number.

40024218037 is a deficient number, since it is larger than the sum of its proper divisors (268619063).

40024218037 is a wasteful number, since it uses less digits than its factorization.

40024218037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268619062.

The product of its (nonzero) digits is 10752, while the sum is 31.

The spelling of 40024218037 in words is "forty billion, twenty-four million, two hundred eighteen thousand, thirty-seven".