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40091754942 = 23217433046949
BaseRepresentation
bin100101010101101001…
…111010000110111110
310211111001201011121200
4211111221322012332
51124101442124232
630230133240330
72616340202631
oct452551720676
9124431634550
1040091754942
1116003828978
12792a7930a6
133a1c09a225
141d24853c18
151099aad77c
hex955a7a1be

40091754942 has 48 divisors (see below), whose sum is σ = 94114191600. Its totient is φ = 12285294336.

The previous prime is 40091754931. The next prime is 40091754947. The reversal of 40091754942 is 24945719004.

40091754942 is a `hidden beast` number, since 4 + 0 + 0 + 91 + 75 + 494 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40091754947) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1510317 + ... + 1536632.

It is an arithmetic number, because the mean of its divisors is an integer number (1960712325).

Almost surely, 240091754942 is an apocalyptic number.

40091754942 is an abundant number, since it is smaller than the sum of its proper divisors (54022436658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40091754942 is a wasteful number, since it uses less digits than its factorization.

40091754942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3047017 (or 3047014 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 40091754942 in words is "forty billion, ninety-one million, seven hundred fifty-four thousand, nine hundred forty-two".

Divisors: 1 2 3 6 9 17 18 34 43 51 86 102 129 153 258 306 387 731 774 1462 2193 4386 6579 13158 3046949 6093898 9140847 18281694 27422541 51798133 54845082 103596266 131018807 155394399 262037614 310788798 393056421 466183197 786112842 932366394 1179169263 2227319719 2358338526 4454639438 6681959157 13363918314 20045877471 40091754942