40215744627 has 16 divisors (see below), whose sum is σ = 55179919872. Its totient is φ = 26039742560.

The previous prime is 40215744619. The next prime is 40215744637. The reversal of 40215744627 is 72644751204.

It is a cyclic number.

It is not a de Polignac number, because 40215744627 - 2³ = 40215744619 is a prime.

It is a super-2 number, since 2×40215744627² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40215744607) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1070148 + ... + 1107089.

It is an arithmetic number, because the mean of its divisors is an integer number (3448744992).

Almost surely, 2^40215744627 is an apocalyptic number.

40215744627 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

40215744627 is a deficient number, since it is larger than the sum of its proper divisors (14964175245).

40215744627 is a wasteful number, since it uses less digits than its factorization.

40215744627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2177418.

The product of its (nonzero) digits is 376320, while the sum is 42.

The spelling of 40215744627 in words is "forty billion, two hundred fifteen million, seven hundred forty-four thousand, six hundred twenty-seven".