40142355007 has 4 divisors (see below), whose sum is σ = 40263631336. Its totient is φ = 40021078680.

The previous prime is 40142354999. The next prime is 40142355053. The reversal of 40142355007 is 70055324104.

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

It is a cyclic number.

It is not a de Polignac number, because 40142355007 - 2³ = 40142354999 is a prime.

It is a super-2 number, since 2×40142355007² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40142355007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40142355307) 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, 60637668 + ... + 60638329.

It is an arithmetic number, because the mean of its divisors is an integer number (10065907834).

Almost surely, 2^40142355007 is an apocalyptic number.

40142355007 is a deficient number, since it is larger than the sum of its proper divisors (121276329).

40142355007 is a wasteful number, since it uses less digits than its factorization.

40142355007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121276328.

The product of its (nonzero) digits is 16800, while the sum is 31.

The spelling of 40142355007 in words is "forty billion, one hundred forty-two million, three hundred fifty-five thousand, seven".