40179007028 has 6 divisors (see below), whose sum is σ = 70313262306. Its totient is φ = 20089503512.

The previous prime is 40179007019. The next prime is 40179007049. The reversal of 40179007028 is 82070097104.

It can be written as a sum of positive squares in only one way, i.e., 37198065424 + 2980941604 = 192868^2 + 54598^2 .

It is a super-2 number, since 2×40179007028² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40179006982 and 40179007000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5022375875 + ... + 5022375882.

It is an arithmetic number, because the mean of its divisors is an integer number (11718877051).

Almost surely, 2^40179007028 is an apocalyptic number.

It is an amenable number.

40179007028 is a deficient number, since it is larger than the sum of its proper divisors (30134255278).

40179007028 is a wasteful number, since it uses less digits than its factorization.

40179007028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10044751761 (or 10044751759 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 38.

The spelling of 40179007028 in words is "forty billion, one hundred seventy-nine million, seven thousand, twenty-eight".