40038235348 has 12 divisors (see below), whose sum is σ = 70083416340. Its totient is φ = 20014402112.

The previous prime is 40038235337. The next prime is 40038235397. The reversal of 40038235348 is 84353283004.

It can be written as a sum of positive squares in 2 ways, for example, as 7781356944 + 32256878404 = 88212^2 + 179602^2 .

It is a super-2 number, since 2×40038235348² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40038235348.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1159753 + ... + 1193776.

It is an arithmetic number, because the mean of its divisors is an integer number (5840284695).

Almost surely, 2^40038235348 is an apocalyptic number.

It is an amenable number.

40038235348 is a deficient number, since it is larger than the sum of its proper divisors (30045180992).

40038235348 is a wasteful number, since it uses less digits than its factorization.

40038235348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2357786 (or 2357784 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 40.

The spelling of 40038235348 in words is "forty billion, thirty-eight million, two hundred thirty-five thousand, three hundred forty-eight".