40124234020 has 72 divisors (see below), whose sum is σ = 96394460904. Its totient is φ = 13943599104.

The previous prime is 40124233967. The next prime is 40124234023. The reversal of 40124234020 is 2043242104.

It is a happy number.

40124234020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 12 ways, for example, as 7165283904 + 32958950116 = 84648^2 + 181546^2 .

It is a super-3 number, since 3×40124234020³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40124233982 and 40124234000.

It is not an unprimeable number, because it can be changed into a prime (40124234023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 191857 + ... + 342136.

It is an arithmetic number, because the mean of its divisors is an integer number (1338811957).

Almost surely, 2^40124234020 is an apocalyptic number.

It is an amenable number.

40124234020 is an abundant number, since it is smaller than the sum of its proper divisors (56270226884).

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

40124234020 is a wasteful number, since it uses less digits than its factorization.

40124234020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534049 (or 534030 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 40124234020 its reverse (2043242104), we get a palindrome (42167476124).

The spelling of 40124234020 in words is "forty billion, one hundred twenty-four million, two hundred thirty-four thousand, twenty".