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40725234757 = 839718127947
BaseRepresentation
bin100101111011011010…
…011100010001000101
310220010012201021120001
4211323122130101011
51131401130003012
630413043041301
72641131532564
oct457332342105
9126105637501
1040725234757
11162a9373709
127a86970231
133ac03b895c
141d84a33bdb
1510d54e1357
hex97b69c445

40725234757 has 16 divisors (see below), whose sum is σ = 41872364352. Its totient is φ = 39598364160.

The previous prime is 40725234721. The next prime is 40725234773. The reversal of 40725234757 is 75743252704.

40725234757 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-40725234757 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 (40725234157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1443258 + ... + 1471204.

It is an arithmetic number, because the mean of its divisors is an integer number (2617022772).

Almost surely, 240725234757 is an apocalyptic number.

It is an amenable number.

40725234757 is a deficient number, since it is larger than the sum of its proper divisors (1147129595).

40725234757 is a wasteful number, since it uses less digits than its factorization.

40725234757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28308.

The product of its (nonzero) digits is 1646400, while the sum is 46.

The spelling of 40725234757 in words is "forty billion, seven hundred twenty-five million, two hundred thirty-four thousand, seven hundred fifty-seven".

Divisors: 1 83 97 181 8051 15023 17557 27947 1457231 2319601 2710859 5058407 225001297 419847781 490665479 40725234757