40279069508 has 6 divisors (see below), whose sum is σ = 70488371646. Its totient is φ = 20139534752.

The previous prime is 40279069507. The next prime is 40279069549. The reversal of 40279069508 is 80596097204.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 39667892224 + 611177284 = 199168^2 + 24722^2 .

It is not an unprimeable number, because it can be changed into a prime (40279069507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5034883685 + ... + 5034883692.

It is an arithmetic number, because the mean of its divisors is an integer number (11748061941).

Almost surely, 2^40279069508 is an apocalyptic number.

It is an amenable number.

40279069508 is a deficient number, since it is larger than the sum of its proper divisors (30209302138).

40279069508 is a wasteful number, since it uses less digits than its factorization.

40279069508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10069767381 (or 10069767379 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 50.

The spelling of 40279069508 in words is "forty billion, two hundred seventy-nine million, sixty-nine thousand, five hundred eight".