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40142516726 = 2131543942951
BaseRepresentation
bin100101011000101011…
…100011000111110110
310211121121020010200202
4211120223203013312
51124202441013401
630235145240502
72620524522314
oct453053430766
9124547203622
1040142516726
111602a449a64
127943793132
133a297612a0
141d2b4a90b4
15109e28906b
hex958ae31f6

40142516726 has 8 divisors (see below), whose sum is σ = 64845603984. Its totient is φ = 18527315400.

The previous prime is 40142516723. The next prime is 40142516749. The reversal of 40142516726 is 62761524104.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×401425167262 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40142516726.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40142516723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 771971450 + ... + 771971501.

It is an arithmetic number, because the mean of its divisors is an integer number (8105700498).

Almost surely, 240142516726 is an apocalyptic number.

40142516726 is a deficient number, since it is larger than the sum of its proper divisors (24703087258).

40142516726 is a wasteful number, since it uses less digits than its factorization.

40142516726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1543942966.

The product of its (nonzero) digits is 80640, while the sum is 38.

The spelling of 40142516726 in words is "forty billion, one hundred forty-two million, five hundred sixteen thousand, seven hundred twenty-six".

Divisors: 1 2 13 26 1543942951 3087885902 20071258363 40142516726