40309342748 has 12 divisors (see below), whose sum is σ = 70602012600. Its totient is φ = 20137339152.

The previous prime is 40309342709. The next prime is 40309342807. The reversal of 40309342748 is 84724390304.

It is a super-2 number, since 2×40309342748² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40309342699 and 40309342708.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4327823 + ... + 4337126.

It is an arithmetic number, because the mean of its divisors is an integer number (5883501050).

Almost surely, 2^40309342748 is an apocalyptic number.

It is an amenable number.

40309342748 is a deficient number, since it is larger than the sum of its proper divisors (30292669852).

40309342748 is a wasteful number, since it uses less digits than its factorization.

40309342748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8666116 (or 8666114 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 44.

The spelling of 40309342748 in words is "forty billion, three hundred nine million, three hundred forty-two thousand, seven hundred forty-eight".