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40084725838 = 233764791921
BaseRepresentation
bin100101010101001111…
…000110000001001110
310211110120111001111111
4211111033012001032
51124043142211323
630225322442234
72616223355623
oct452517060116
9124416431444
1040084725838
1115aaa8678a3
12792836337a
133a1a7a89b1
141d2394434a
151099170c0d
hex9553c604e

40084725838 has 16 divisors (see below), whose sum is σ = 60399372384. Its totient is φ = 19951787520.

The previous prime is 40084725827. The next prime is 40084725839. The reversal of 40084725838 is 83852748004.

It is a junction number, because it is equal to n+sod(n) for n = 40084725791 and 40084725800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40084725839) 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, 390118 + ... + 482038.

It is an arithmetic number, because the mean of its divisors is an integer number (3774960774).

Almost surely, 240084725838 is an apocalyptic number.

40084725838 is a deficient number, since it is larger than the sum of its proper divisors (20314646546).

40084725838 is a wasteful number, since it uses less digits than its factorization.

40084725838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92907.

The product of its (nonzero) digits is 1720320, while the sum is 49.

The spelling of 40084725838 in words is "forty billion, eighty-four million, seven hundred twenty-five thousand, eight hundred thirty-eight".

Divisors: 1 2 337 647 674 1294 91921 183842 218039 436078 30977377 59472887 61954754 118945774 20042362919 40084725838