40579312628 has 6 divisors (see below), whose sum is σ = 71013797106. Its totient is φ = 20289656312.

The previous prime is 40579312607. The next prime is 40579312651. The reversal of 40579312628 is 82621397504.

It can be written as a sum of positive squares in only one way, i.e., 38845256464 + 1734056164 = 197092^2 + 41642^2 .

It is a super-2 number, since 2×40579312628² (a number of 22 digits) contains 22 as substring.

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, 5072414075 + ... + 5072414082.

It is an arithmetic number, because the mean of its divisors is an integer number (11835632851).

It is a 1-persistent number, because it is pandigital, but 2⋅40579312628 = 81158625256 is not.

Almost surely, 2^40579312628 is an apocalyptic number.

It is an amenable number.

40579312628 is a deficient number, since it is larger than the sum of its proper divisors (30434484478).

40579312628 is a wasteful number, since it uses less digits than its factorization.

40579312628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10144828161 (or 10144828159 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 40579312628 in words is "forty billion, five hundred seventy-nine million, three hundred twelve thousand, six hundred twenty-eight".