40105531727252 has 12 divisors (see below), whose sum is σ = 70187030639040. Its totient is φ = 20052094401816.

The previous prime is 40105531727243. The next prime is 40105531727281. The reversal of 40105531727252 is 25272713550104.

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, 167731052 + ... + 167969987.

It is an arithmetic number, because the mean of its divisors is an integer number (5848919219920).

Almost surely, 2^{40105531727252} is an apocalyptic number.

It is an amenable number.

40105531727252 is a deficient number, since it is larger than the sum of its proper divisors (30081498911788).

40105531727252 is a wasteful number, since it uses less digits than its factorization.

40105531727252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335730910 (or 335730908 counting only the distinct ones).

The product of its (nonzero) digits is 588000, while the sum is 44.

The spelling of 40105531727252 in words is "forty trillion, one hundred five billion, five hundred thirty-one million, seven hundred twenty-seven thousand, two hundred fifty-two".