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40607880769 = 73954949771
BaseRepresentation
bin100101110100011010…
…110001011001000001
310212211000220002011001
4211310122301121001
51131131104141034
630353251452001
72635205201641
oct456432613101
9125730802131
1040607880769
11162490a9945
127a535b7001
133aa1caa221
141d73206521
1510ca05ea14
hex9746b1641

40607880769 has 4 divisors (see below), whose sum is σ = 40662831280. Its totient is φ = 40552930260.

The previous prime is 40607880763. The next prime is 40607880823. The reversal of 40607880769 is 96708870604.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40607880769 - 211 = 40607878721 is a prime.

It is a super-2 number, since 2×406078807692 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40607880763) 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, 27474147 + ... + 27475624.

It is an arithmetic number, because the mean of its divisors is an integer number (10165707820).

Almost surely, 240607880769 is an apocalyptic number.

It is an amenable number.

40607880769 is a deficient number, since it is larger than the sum of its proper divisors (54950511).

40607880769 is an equidigital number, since it uses as much as digits as its factorization.

40607880769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54950510.

The product of its (nonzero) digits is 4064256, while the sum is 55.

The spelling of 40607880769 in words is "forty billion, six hundred seven million, eight hundred eighty thousand, seven hundred sixty-nine".

Divisors: 1 739 54949771 40607880769