40061213524 has 72 divisors (see below), whose sum is σ = 78131450880. Its totient is φ = 17944819200.

The previous prime is 40061213519. The next prime is 40061213567. The reversal of 40061213524 is 42531216004.

It is a junction number, because it is equal to n+sod(n) for n = 40061213492 and 40061213501.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2371789 + ... + 2388619.

It is an arithmetic number, because the mean of its divisors is an integer number (1085159040).

Almost surely, 2^40061213524 is an apocalyptic number.

It is an amenable number.

40061213524 is a deficient number, since it is larger than the sum of its proper divisors (38070237356).

40061213524 is a wasteful number, since it uses less digits than its factorization.

40061213524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16969 (or 16950 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 40061213524 its reverse (42531216004), we get a palindrome (82592429528).

The spelling of 40061213524 in words is "forty billion, sixty-one million, two hundred thirteen thousand, five hundred twenty-four".