40174605075721 has 16 divisors (see below), whose sum is σ = 41181501973248. Its totient is φ = 39169003388800.

The previous prime is 40174605075713. The next prime is 40174605075727. The reversal of 40174605075721 is 12757050647104.

It is a cyclic number.

It is not a de Polignac number, because 40174605075721 - 2³ = 40174605075713 is a prime.

It is a super-2 number, since 2×40174605075721² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40174605075727) 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, 422429451 + ... + 422524543.

It is an arithmetic number, because the mean of its divisors is an integer number (2573843873328).

Almost surely, 2^{40174605075721} is an apocalyptic number.

40174605075721 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

40174605075721 is a deficient number, since it is larger than the sum of its proper divisors (1006896897527).

40174605075721 is a wasteful number, since it uses less digits than its factorization.

40174605075721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101792.

The product of its (nonzero) digits is 1646400, while the sum is 49.

The spelling of 40174605075721 in words is "forty trillion, one hundred seventy-four billion, six hundred five million, seventy-five thousand, seven hundred twenty-one".