40142624759 has 4 divisors (see below), whose sum is σ = 41076174216. Its totient is φ = 39209075304.

The previous prime is 40142624741. The next prime is 40142624777. The reversal of 40142624759 is 95742624104.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (40142624741) and next prime (40142624777).

It is a cyclic number.

It is not a de Polignac number, because 40142624759 - 2¹² = 40142620663 is a prime.

It is a super-2 number, since 2×40142624759² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40142624779) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 466774664 + ... + 466774749.

It is an arithmetic number, because the mean of its divisors is an integer number (10269043554).

Almost surely, 2^40142624759 is an apocalyptic number.

40142624759 is a deficient number, since it is larger than the sum of its proper divisors (933549457).

40142624759 is an equidigital number, since it uses as much as digits as its factorization.

40142624759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933549456.

The product of its (nonzero) digits is 483840, while the sum is 44.

The spelling of 40142624759 in words is "forty billion, one hundred forty-two million, six hundred twenty-four thousand, seven hundred fifty-nine".