40139776313 has 16 divisors (see below), whose sum is σ = 50140164480. Its totient is φ = 31284925056.

The previous prime is 40139776309. The next prime is 40139776343. The reversal of 40139776313 is 31367793104.

It is not a de Polignac number, because 40139776313 - 2² = 40139776309 is a prime.

It is a super-2 number, since 2×40139776313² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40139776343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3285668 + ... + 3297861.

It is an arithmetic number, because the mean of its divisors is an integer number (3133760280).

Almost surely, 2^40139776313 is an apocalyptic number.

It is an amenable number.

40139776313 is a deficient number, since it is larger than the sum of its proper divisors (10000388167).

40139776313 is a wasteful number, since it uses less digits than its factorization.

40139776313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6583616.

The product of its (nonzero) digits is 285768, while the sum is 44.

The spelling of 40139776313 in words is "forty billion, one hundred thirty-nine million, seven hundred seventy-six thousand, three hundred thirteen".