40021303342024 has 8 divisors (see below), whose sum is σ = 75039943766310. Its totient is φ = 20010651671008.

The previous prime is 40021303341979. The next prime is 40021303342117. The reversal of 40021303342024 is 42024330312004.

It can be written as a sum of positive squares in only one way, i.e., 38948608137924 + 1072695204100 = 6240882^2 + 1035710^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 40021303341983 and 40021303342001.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2501331458869 + ... + 2501331458884.

Almost surely, 2^{40021303342024} is an apocalyptic number.

It is an amenable number.

40021303342024 is a deficient number, since it is larger than the sum of its proper divisors (35018640424286).

40021303342024 is a wasteful number, since it uses less digits than its factorization.

40021303342024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5002662917759 (or 5002662917755 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 40021303342024 its reverse (42024330312004), we get a palindrome (82045633654028).

The spelling of 40021303342024 in words is "forty trillion, twenty-one billion, three hundred three million, three hundred forty-two thousand, twenty-four".