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40711979407 = 1120991763263
BaseRepresentation
bin100101111010100111…
…111000000110001111
310220002021202211122011
4211322213320012033
51131334231320112
630411451002051
72640611054341
oct457247700617
9126067684564
1040711979407
11162a193a780
127a82439327
133aba727458
141d82d83291
1510d4273aa7
hex97a9f818f

40711979407 has 8 divisors (see below), whose sum is σ = 44434252800. Its totient is φ = 36993236760.

The previous prime is 40711979401. The next prime is 40711979461. The reversal of 40711979407 is 70497911704.

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

It is a cyclic number.

It is not a de Polignac number, because 40711979407 - 219 = 40711455119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40711979401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 858543 + ... + 904720.

It is an arithmetic number, because the mean of its divisors is an integer number (5554281600).

Almost surely, 240711979407 is an apocalyptic number.

40711979407 is a deficient number, since it is larger than the sum of its proper divisors (3722273393).

40711979407 is a wasteful number, since it uses less digits than its factorization.

40711979407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1765373.

The product of its (nonzero) digits is 444528, while the sum is 49.

The spelling of 40711979407 in words is "forty billion, seven hundred eleven million, nine hundred seventy-nine thousand, four hundred seven".

Divisors: 1 11 2099 23089 1763263 19395893 3701089037 40711979407