40685142290739 has 32 divisors (see below), whose sum is σ = 55409653555200. Its totient is φ = 26547588738720.

The previous prime is 40685142290659. The next prime is 40685142290761. The reversal of 40685142290739 is 93709224158604.

It is a happy number.

It is not a de Polignac number, because 40685142290739 - 2²⁹ = 40684605419827 is a prime.

It is a super-2 number, since 2×40685142290739² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40685142294739) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1031576982 + ... + 1031616420.

It is an arithmetic number, because the mean of its divisors is an integer number (1731551673600).

It is a 1-persistent number, because it is pandigital, but 2⋅40685142290739 = 81370284581478 is not.

Almost surely, 2^{40685142290739} is an apocalyptic number.

40685142290739 is a deficient number, since it is larger than the sum of its proper divisors (14724511264461).

40685142290739 is a wasteful number, since it uses less digits than its factorization.

40685142290739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74495.

The product of its (nonzero) digits is 26127360, while the sum is 60.

The spelling of 40685142290739 in words is "forty trillion, six hundred eighty-five billion, one hundred forty-two million, two hundred ninety thousand, seven hundred thirty-nine".